Find the area of the shaded portion

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.

An Intiative by Sri Chaitanya

${"mathml":"<math class="image_resized" style="width:77px;height:14px"><span style="font-family:$

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

Concept- The supplied figure is a concentric semi-circle, as can be seen. As a result, to find the size of the shaded region, subtract the inner semicircle's area from the outer semicircle's area. The formula for semicircle area is ${"mathml":"<math class="image_resized" style="width:41px;height:37px"><span style="font-family:$ Assuming that the radius of the outer circle is 5 units and that the distance between the two circles' radii is 1 unit
In order to solve the equation created by the givens,
${"mathml":"<math class="image_resized" style="width:86px;height:67px"><span style="font-family:$ Now, determine the areas of both semicircles such that they are equal.

Now, since we needed the darkened portion's area, it will be provided by
{"mathml":"<math class=

Hence, the correct option is 4) ${"mathml":"<math class="image_resized" style="width:77px;height:14px"><span style="font-family:$ .

Watch 3-min video & get full concept clarity