1) A circle has radius 5cm. What is the diameter in cm? a) 5 b) 10 c) 20 d) 25 2) A circle has diamter 50cm. What is the radius in cm? a) 5 b) 10 c) 20 d) 25 3) A circle has a radius of 5cm. What is it's area in terms of ℼ? a) 5ℼ b) 10ℼ c) 25ℼ d) 100ℼ 4) A circle has diameter 12cm. What is the circumference in cm? a) 144ℼ b) 12ℼ c) 6ℼ d) 36ℼ 5) A circle has a diameter of 22cm. What is the area in cm2? a) 121ℼ b) 22ℼ c) 484ℼ d) 11ℼ 6) A circle has circumference 12ℼ in cm. What is the diameter in cm? a) 6ℼ b) 6 c) 24 d) 12 7) A circle has area 144ℼcm2. What is it's radius in cm? a) 12 b) 24 c) 72 d) 144 8) A circle has circumference 20ℼ. What is it's area in cm2? a) 40ℼ b) 100ℼ c) 10ℼ d) 400ℼ 9) A semi circle has a radius of 7cm. Calculate the area in cm2. a) 3.5ℼ b) 14ℼ c) 49ℼ d) 24.5ℼ 10) A circle has area 169ℼ cm2. What is the circumference? a) 84.5ℼ b) 13ℼ c) 26ℼ d) 676ℼ 11) This semi-circle has a diameter of 8cm. Calculate the total perimeter of the shape in cm. a) 8ℼ + 8 b) 4ℼ + 4 c) 16ℼ + 8 d) 4ℼ + 8 12) Calculate the area of this shape in cm2. a) 64ℼ b) 16ℼ c) 32ℼ d) 48ℼ

Area and circumference of circles

bởi
In
Nhúng

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?