plz answer this question
Answers
hi mate! your answer↓
area of triangle ABC=1/2×AB×AC
=1/2×3×4
=1/2×12
=6 sq.cm
in triangle ABC
by Pythagoras theorem
BC2= AB2+ AC2
=3^2+4^2
=9+16
=25
by taking square root
BC= 5 cm
radius of circle= BC/2=5/2=2.5cm
area of circle= πr^2
=3.14×2.5×2.5
= 19.62 sq.cm
area of shaded region= area of circle- area of triangle
= 19.62-6
=13.62 sq.cm
hope that this will help you
Hypo square = base square
BC^2=3^2 + 4^2
BC^2 =9+16
BC^2 =25
BC =UNDERROOT 25
BC =5cm
so radius of circle =5/2
=2.5 cm
area of circle = pie r square.
= 3.14 ×2.5 ×2.5
=19.625cm ^ 2
area of triangle = 1/2 base × height
= 1/2 ×4 ×3
= 6cm^2
area of shaded region = area of circle - area of triangle
=19.625 - 6
=13.625 cm square
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