4. In the adjoining figure, PR = 6 units and PO = 8 units. Semicircles are drawn taking sides PR, RQ and PQ as diameters as shown in the figure. Find out the area of the shaded portion. (it = 3.14)​

In the figure shown, O is the centre of the circle and AT is a tangent to the circle.Given that the radius of the circle is 4 cm and the length of the tangent is 9 cm, find the area shaded.Give your answer correct to 3 significant figures.

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

Three semicircles each of diameter 3 cm, a circle of diameter 4.5 cm and a semicircle of radius 4.5 cm are drawn in the given figure. Find the area of the shaded region.

From the figure below, calculate the area of the shaded region: Group of answer choices7.73 cm228.26 cm221.87 cm2

The diagram shows a shape made from triangle 𝐴𝐵𝐶 and a semicircle with diameter 𝐵𝐶.Triangle 𝐴𝐵𝐶 is right-angled at 𝐵.𝐴𝐵=7.6 cm and 𝐴𝐶=9.5 cm.Calculate the area of the shape.Give your answer correct to 3 significant figures.