Quiz In Class

Title: Area of 3D shapes

Grade: 8-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

If the sidewall of a cubic structure have length 9 m, then find the total surface area?

A) \$485(m)^2\$

B) \$486(m)^2\$

C) \$484(m)^2\$

D) \$480(m)^2\$

2

curved surface area of a cone is 264 cm2 and its slant height is 21 cm. Find the radius of the base ?

A)\$2(cm)^2\$

B) \$4(cm)^2\$

C) \$5(cm)^2\$

D) \$3(cm)^2\$

3

A cuboid having its dimension given as length = 11 cm, width = 9 cm and height = 8 cm, find the Total Surface Area of Cuboid?

A) \$224(cm)^2\$

B) \$220(cm)^2\$

C) \$204(cm)^2\$

D) \$518(cm)^2\$

4

Find the total surface area of a container in a cylindrical shape whose diameter is 28 cm and height is 16 cm.

A) \$2645.1(cm)^2\$

B) \$2640.10(cm)^2\$

C) \$2635.11(cm)^2\$

D) \$26374.76(cm)^2\$

5

Find the total surface area of a container in a cylindrical shape whose radius is 16 cm and height is 19 cm.

A) \$3320(cm)^2\$

B) \$3529(cm)^2\$

C) \$3530(cm)^2\$

D) \$3420(cm)^3\$

6

Find the total surface area and curved surface area of the cone whose radius is 7 inches and slant height is 3 inches. (Use π = 22/7)

A) \$113.09(in)^2\$

B) \$110.09(in)^2\$

C) \$220(in)^2\$

D) \$11.09(in)^2\$

7

Find the total surface area of a cuboid whose length is 3 inches, width is 5 inches, and height is 6 inches.

A) \$126 \$ sq.in

B) \$121 \$ sq.in

C) \$133 \$ sq.in

D) \$120 \$ in

8

Calculate the curved surface area of a sphere having a radius of 5 cm.

A) \$314.16 \$ sq.cm

B) \$312 \$ sq.cm

C) \$311 \$ sq.cm

D) \$320 \$ sq.cm

9

Find the total surface area of a container in a cylindrical shape whose diameter is 20 cm and height is 25 cm.

A) \$2199(cm)^2\$

B) \$2198(cm)^2\$

C) \$2298(cm)^2\$

D) \$2188(cm)^2\$

10

Find the side of a cube whose surface area is \$1176 (cm)^2\$

A)15 cm

B) 14 cm

C) 16 cm

D) 17 cm


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