Quiz In Class

Title: Area of a circle

Grade: 8-a Lesson: S4-L4

Explanation: Hello students, as we have discussed a few problems on this topic. Now, its time for you to solve the problems on your own and fill the answers in the quiz sheet and get your queries addressed by the tutor in the class.

Quiz: in Class

Problem Id Description Image Answer

1

The diameter of a circular lawn is 14 inches. What is the area of the lawn? (Use π = 3.14)

g6

A) \$153.76 "(inches)"^2\$

B) \$153.86 "(inches)"^2\$

C) \$154.86 "(inches)"^2\$

D) \$143.86 "(inches)"^2\$

2

A pizza restaurant offers a medium-sized pizza with a radius of 10 inches. What is the area of the pizza? (Use π = 3.14)

g7

A) \$214 "(inches)"^2\$

B) \$114 "(inches)"^2\$

C) \$14 "(inches)"^2\$

D) \$314 "(inches)"^2\$

3

The circumference of a circle is 44 cm. Find its area.(approximately)

g8

A) 154.94 cm²

B) 143.94 cm²

C) 153.94 cm²

D) 253.94 cm²

4

The circumference of a circle is 62.8 cm. Find the area(approximately) of the circle if the radius is 10 cm.

g9

A) 214 cm²

B) 414 cm²

C) 314 cm²

D) 114 cm²

5

A circular garden with a radius of 10 meters is surrounded by a walkway of width 2 meters. Find the area of the walkway.

g10

A) \$138.16 m^2\$

B) \$238.16 m^2\$

C) \$128.16 m^2\$

D) \$338.16 m^2\$


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