The figure below shows two circles. The radius of the larger and smaller circle is 4 m and 2 m respectively.Find the area of the shaded area.Pi (π) = 3.14

The figure shows two circles.The radius of the big circle is 3 times the radius of the small circle.The radius of the big circle is 42 cm. Find the area of the shaded part. Take π =  227

Find the area and the circumference of a circle with radius 3m.Use the value 3.14 for π, and do not round your answers. Be sure to include the correct units in your answers.3m

The diagram below is formed by 4 identical circles and a square. Each circle has a radius of 14 m. What is the area of the unshaded part? Take π as 3.14.

Find the area and the circumference of a circle with diameter 8yd.Use the value 3.14 for π, and do not round your answers. Be sure to include the correct units in your answers.

A triangle is placed in a semicircle with a radius of 8mm, as shown below. Find the area of the shaded region.Use the value 3.14 for π, and do not round your answer. Be sure to include the correct unit in your answer.8mm