Grade C Geometry questions. Circles Flashcards
1
Q
What is the radius of a circle with diameter 6cm?
A
3cm
2
Q
What is the diameter of a circle with a radius of 5cm?
A
10cm
3
Q
What is the circumference of a circle with radius 18cm?
A
113cm
4
Q
What is the circumference of a circle with a diameter of 20cm?
A
62.83cm
5
Q
What is the perimeter of a semicircle with a radius of 10cm?
A
41.42cm
6
Q
What is the circumference of a circle with a radius of 6m?
A
37.7m
7
Q
What is the area of a circle with a radius of 2cm?
A
12.57 cm squared
8
Q
What is the area of a circle with a diameter of 10cm?
A
78.54cm squared
9
Q
What is the area of a circle with a radius of 3.5m?
A
38.48m squared
10
Q
What is the area of a semicircle with a diameter of 15cm?
A
88.36cm squared
