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Lesson Topics Discussion Quiz: Class Homework

Quiz Discussion

Title: Circles

Grade Lesson s4-l1

Explanation: Let us discuss a few questions on this topic and review the answers to every question.

Quiz: Discussion

Discussion: Steps1 Steps2 Steps3 Steps4 Steps5

Id	Name	Note
Steps-1	A circular garden has an area of 400 square meters. Calculate the radius and circumference of the garden.	A) 11.29 m and 70.97 m B) 11.23 m and 70.83 m C) 11.82 m and 70.91 m D) 11.32 m and 70.82 m
Steps-2	The circumference and area of a circle are equal. Find the diameter of the circle.	A) 2 units B) 5 units C) 4 units D) 6 units
Steps-3	An arc length of 10 cm corresponds to a central angle of 60 degrees. Determine the radius of the circle.	A) 9.45 cm B) 9.55 cm C) 9.64 cm D) 9.59 cm
Steps-4	The length of an arc in a circle is 20 cm, which corresponds to a central angle of 120 degrees. Calculate the radius of the circle.	A) 9.99 cm B) 9.55 cm C) 9.47 cm D) 9.058 cm
Steps-5	A circular pond has a diameter of 17.5 m and is surrounded by a 2 m wide path. Find the cost of constructing the path at the rate of Rs. 25 per square meter. (Use π = 3.14).	A) 3,064.00 B) 3,062.50 C) 3,061.75 D) 3,062.00

Name

Note

Steps-1

A circular garden has an area of 400 square meters. Calculate the radius and circumference of the garden.

A) 11.29 m and 70.97 m

B) 11.23 m and 70.83 m

C) 11.82 m and 70.91 m

D) 11.32 m and 70.82 m

Steps-2

The circumference and area of a circle are equal. Find the diameter of the circle.

A) 2 units

B) 5 units

C) 4 units

D) 6 units

Steps-3

An arc length of 10 cm corresponds to a central angle of 60 degrees. Determine the radius of the circle.

A) 9.45 cm

B) 9.55 cm

C) 9.64 cm

D) 9.59 cm

Steps-4

The length of an arc in a circle is 20 cm, which corresponds to a central angle of 120 degrees. Calculate the radius of the circle.

A) 9.99 cm

B) 9.55 cm

C) 9.47 cm

D) 9.058 cm

Steps-5

A circular pond has a diameter of 17.5 m and is surrounded by a 2 m wide path. Find the cost of constructing the path at the rate of Rs. 25 per square meter. (Use π = 3.14).

A) 3,064.00

B) 3,062.50

C) 3,061.75

D) 3,062.00