Lesson Example Discussion Quiz: Class Homework |
Quiz In Class |
Title: Circles |
Grade: 8-a Lesson: S3-L1 |
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 arc length of a sector of a circle is 12π units, |
A) 11.25 units B) 11.52 units C) 11.54 units D) 11.45 units |
2 |
The circumference of a car wheel is 32.67 inches. What is |
A) 10.93 in B) 10.45 in C) 10.39 in D) 10.54 in |
3 |
A sector of a circle with a central angle of 75 degrees has |
A) 13.4 in B) 13.8 in C) 13.7 in D) 13.2 in |
4 |
The circumference of a circle is one 3rd of its area. Find |
A) 6 units B) 5 units C) 8 units D) 7 units |
5 |
The perimeter of a circular coin is 682 meters. Find the circumference of the coin. |
A) 682 m B) 680 m C) 620 m D) 628 m |
6 |
A circular swimming pool has an area of 156 square meters. |
A) 7.05m B) 6.05m C) 4.05m D) 2.05m |
7 |
A circular swimming pool has an area of 450 square meters. |
A) 11.97m B) 10.97m C) 9.97m D) 5.97m |
8 |
A circular swimming pool has an area of 56 square meters. |
A) 4.44m B) 4.22m C) 4.23m D) 4.56m |
9 |
An arc length in a circle is 15 cm, and the central angle corresponding to the arc is 180 degrees. Find the radius of the circle. |
A) 42.3cm B) 46.8cm C) 47.1cm D) 48.6cm |
10 |
An arc length in a circle is 25 cm, and the central angle corresponding to the arc is 240 degrees. Find the radius of the circle. |
A)258.7cm B) 248.6cm C) 256.4cm D) 235.5cm |
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