Areas and Volumes of Solids
Geometry ยท 101 exercises
Q1.
Write the name of the following prism.
The prism is called a right ____ prims.
2 step solution
Q2.
How many lateral faces are in the following prism?
2 step solution
Q3.
What kind of figure in each lateral face in the following prism?
2 step solution
Q4.
Name two lateral edges and an altitude of the following prism?
2 step solution
Q5.
The length of an altitude is called the ___ of the following prism.
2 step solution
Q6.
Consider the following prism.
Suppose the bases are regular hexagons with 4cm edges.
a.Find the lateral area.
b.Find the base area.
c.Find the total area.
d.Find the volume.
12 step solution
Q7.
Can a prism have lateral faces that are triangles?
2 step solution
Q8.
What is the minimum number of faces a prism can have?
2 step solution
Q9.
If two prism have equal volumes, must they also have equal total areas?
2 step solution
Q10.
Find the following.
a.Since 1 yd = 3 ft, 1 yd2 = __ ft2 and 1 yd3 = __ ft3
b.Since 1 ft = __ in, 1 ft2 = __ in2 and 1 ft3 = __ in3
c.Since 1 m = __ cm, 1 m2 = __ cm2 and 1 m3 = __ cm3
6 step solution
Q1.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q2.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q3.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q4.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q5.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q6.
Refer to rectangular solids with dimensions l, w and h. Complete the following table.
3 step solution
Q7.
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q8.
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q9.
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q10.
Refer to cubes with edges of length e. Complete the following table.
2 step solution
Q. 10
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q11.
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q12.
Refer to cubes with edges of length e. Complete the following table.
3 step solution
Q13.
Find the lateral area of a right pentagonal prism with height 3 and base edges 3.2, 5.8, 6.9, 4.7, and 9.4.
3 step solution
Q14.
A right triangular prism has lateral area 120 cm2. If the base edges are 4 cm, 5 cm and 6 cm long, find the height of the prism.
3 step solution
Q15.
If the edge of a cube is doubled, the total area is multiplied by ___ and the volume is multiplied by ___.
3 step solution
Q16.
If the length, width and height of rectangular solid are all tripled, the lateral area is multiplied by ___, the total area is multiplied by ___, and the volume is multiplied by___.
3 step solution
Q17.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Equilateral triangle with side 8, h = 10.
4 step solution
Q18.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Triangle with sides 9, 12, 15, h = 10.
4 step solution
Q19.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Isosceles triangle with sides 13, 13, 10, h = 7.
4 step solution
Q20.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Isosceles trapezoid with bases 10 and 4 and legs 5, h = 20.
4 step solution
Q21.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Rhombus with diagonals 6 and 8, h = 9.
3 step solution
Q22.
Facts about the base of a right prism and the height of the prism are given. Sketch each prism and find its lateral area, total area and volume.
Regular hexagon with side 8, h = 12.
3 step solution
Q23.
The container shown has the shape of a rectangular solid. When a rock is submerged, the water level rises 0.5 cm. Find the volume of the rock.
2 step solution
Q24.
A driveway 30 m long and 5 m wide is to be paved with blacktop 3 cm thick. How much will the blacktop cost if it is sold at the price of $175 per cubic meter?
2 step solution
Q25.
A brick with dimensions 20 cm, 10 cm and 5 cm, weighs 1.2 kg. A second brick of the same material has dimensions 25 cm, 15 cm and 4 cm. What is its weight?
2 step solution
Q26.
A drinking trough for horses is a right trapezoidal prism with dimensions shown below. If it is filled with water, about how much will the water weigh?
2 step solution
Q27.
Find the weight to the nearest kilogram, of the cement block shown. Cement weighs 1700 kg/m3?
2 step solution
Q28.
Find the weight to the nearest 10 kg, of the steel 1- beam shown below. Steel weighs 7860 kg/m3?
2 step solution
Q29.
Find the volume and the total surface area of each solid in terms of the given variables.
2 step solution
Q30.
Find the volume and the total surface area of each solid in terms of the given variables.
3 step solution
Q1.
Accurately draw or construct a large equilateral triangle. Choose any point inside the triangle and carefully measure the distance x, y, z and h. Then find .
4 step solution
Q2.
Now choose another point on or inside the triangle and find . What do you notice? Why does this happen?
4 step solution
Q31.
The length of a rectangular solid is twice the width, and the height is three times the width. If the volume is 162 cm3, find the total area of the solid.
3 step solution
Q32.
A right prism has square bases with edges that are three times as long as the lateral edges. The prism’s total area is 750 m2. Find the volume.
3 step solution
Q33.
A diagonal of a box forms a angle with a diagonal of the base. Use trigonometry to approximate the volume of the box.
3 step solution
Q34.
Suppose another box has a base with dimensions 8 by 6 and diagonal that forms a angle with a diagonal of a base. Show that the ration of the volumes of the two boxes is .
3 step solution
Q35.
A right prism has height x and bases that are equilateral triangles with sides x. Show that the volume is .
3 step solution
Q36.
A right prism has height h and bases that are regular hexagons with sides s. Show that the volume is .
3 step solution
Q37.
A rectangular beam of wood 3 m long is cut into 6 pieces. Find the volume of each piece in cubic centimetres.
3 step solution