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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Area of 3D shapes

Grade: 1400-a Lesson: S3-L6

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	The rectangular prism has a surface area of 400 cm². It has a length of 10 cm and a width of 5 cm, so find the missing height.	A) 5 cm B) 10 cm C) 20 cm D) 15 cm
2	The lateral surface area of a right solid square prism is 720 cm² and height is 20 cm, then find the total surface area of the prism.	A)828 sq.cm B) 882 sq.cm C) 828 cm D) 882 cm
3	Calculate the surface area of the given figure. $3$	A) 250 sq.cm B) 249 cm C) 259 sq.cm D) 249 sq.cm
4	Find the total surface area of the remaining solid to the nearest \$cm^2\$. If a solid cylinder with a height of 12 cm and a diameter of 10 cm has a conical cavity of the same height and diameter hollowed out. [use π = 3.14]	A) 695.4 sq.cm B) 660.4 sq.cm C) 659.5 sq.cm D) 659.4 sq.cm
5	Find the radius of a cone if the cone’s slant height is 6 inches and the total surface area is 125.6 sq. inches.	A) 10 inches B) 2 inches C) 4 inches D) -4 inches
6	Calculate the diameter of a sphere whose surface area is 2826 square inches. (Take π = 3.14)	A) 15 in B) 33 inches C) 30 inches D) 30 sq.in
7	A sphere of radius 6 cm is placed inside a cylinder so that it touches the sides of the cylinder. If the height of the cylinder is 8 cm, find the surface area of the region inside the cylinder but outside the sphere.	A) 75.36 sq.cm B) 73.65 sq.cm C) 47.36 sq.cm D) 75.36 cm
8	Find the total surface area of the given regular pyramid. $8$	A) 1560 sq.cm B) 1656 sq.cm C) 1056 sq.m D) 1560 cm
9	Calculate the total surface area of the following figure. $9$	A) \$128.8 cm^2\$ B) \$1128.8 cm^2\$ C) \$118.8 cm^2\$ D) 1128 cm
10	Calculate the curved surface area of a hollow cylinder with a thickness of 6 cm, an exterior radius of 12 cm, and a height of 22 cm.	A)2488.88 sq.cm B) 2486.88 sq.cm C) 2489.88 sq.cm D)2846.88 sq.cm

Problem Id

Problem

Options

The rectangular prism has a surface area of 400 cm². It has a length of 10 cm and a width of 5 cm, so find the missing height.

A) 5 cm

B) 10 cm

C) 20 cm

D) 15 cm

The lateral surface area of a right solid square prism is 720 cm² and height is 20 cm, then find the total surface area of the prism.

A)828 sq.cm

B) 882 sq.cm

C) 828 cm

D) 882 cm

Calculate the surface area of the given figure.

$3$

A) 250 sq.cm

B) 249 cm

C) 259 sq.cm

D) 249 sq.cm

Find the total surface area of the remaining solid to the nearest \$cm^2\$. If a solid cylinder with a height of 12 cm and a diameter of 10 cm has a conical cavity of the same height and diameter hollowed out. [use π = 3.14]

A) 695.4 sq.cm

B) 660.4 sq.cm

C) 659.5 sq.cm

D) 659.4 sq.cm

Find the radius of a cone if the cone’s slant height is 6 inches and the total surface area is 125.6 sq. inches.

A) 10 inches

B) 2 inches

C) 4 inches

D) -4 inches

Calculate the diameter of a sphere whose surface area is 2826 square inches. (Take π = 3.14)

A) 15 in

B) 33 inches

C) 30 inches

D) 30 sq.in

A sphere of radius 6 cm is placed inside a cylinder so that it touches the sides of the cylinder. If the height of the cylinder is 8 cm, find the surface area of the region inside the cylinder but outside the sphere.

A) 75.36 sq.cm

B) 73.65 sq.cm

C) 47.36 sq.cm

D) 75.36 cm

Find the total surface area of the given regular pyramid.

$8$

A) 1560 sq.cm

B) 1656 sq.cm

C) 1056 sq.m

D) 1560 cm

Calculate the total surface area of the following figure.

$9$

A) \$128.8 cm^2\$

B) \$1128.8 cm^2\$

C) \$118.8 cm^2\$

D) 1128 cm

Calculate the curved surface area of a hollow cylinder with a thickness of 6 cm, an exterior radius of 12 cm, and a height of 22 cm.

A)2488.88 sq.cm

B) 2486.88 sq.cm

C) 2489.88 sq.cm

D)2846.88 sq.cm