Question

A rectangle with one side 4 cm is inscribed in a circle of radius 2.5 cm. Find the area of the rectangle.​

Answer 1

Step-by-step explanation:

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diameter of circle = AC = 5

diagonal of rectangle = AC = 5

Let AB = 4

then BC2=AC2−AB2−−−−−−−−−√

=52−42−−−−−−√=25−16−−−−−−√

=9–√=3

BC=3

Area of rectangle =AB×BC

=4×3=12cm2

Answer 2

Answer:

ifthe radius is 2.5cm then diameter will be 5cm

as the circle is inscribed the circle

it's length will be 5 cm

area of a rectangle is =length X b

=5x2. 5

= 12.5 cm

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