the figure is made up of rt.angled traingle and a semicircle. find its perometer and area.
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2
radius of semicircle = 2cm
diameter of '' =4cm
By pythagoreas theorem
3power2 + 4power2 =H power2
9 +16 = Hpower2
25root = H
5cm = H
perimeter of semicircle will be half of circumference
So,
2 pie r/2
=pie r
= pie 2
=3.14 × 2
=6.28cm
Total perimeter
=6.28 + 3 + 5
=14.28 cm
Hope it helps..
diameter of '' =4cm
By pythagoreas theorem
3power2 + 4power2 =H power2
9 +16 = Hpower2
25root = H
5cm = H
perimeter of semicircle will be half of circumference
So,
2 pie r/2
=pie r
= pie 2
=3.14 × 2
=6.28cm
Total perimeter
=6.28 + 3 + 5
=14.28 cm
Hope it helps..
Answered by
1
Hope my answer helps!!!
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8334812253shinam:
wrong ans
It is wronh
wrong*
not 4 you...
okk
I may be wrong
and sorry...I didn't see that I had to calculate area too
I just left after perimeter
i calculated it already.thanks
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