Find the area of shaded region
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Answer:
Area of triangle = 1/2*l*b
Here, l is 12cm and b is 5cm
So, 1/2*12*5
30 cm
similarly Area of another triangle is 30 cm
area of both triangle = 30+30=60cm
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given,
length of the rectangle = 5cm
breadth of the rectangle = 12cm
{area of rectangle = length × breadth}
= 5 × 12 cm²
= 60 cm²
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by Pythagoras theorem...
AB² + BC² = AC²
[5]² + [12]² = AC²
25 + 144 = AC²
169 = AC²
√169 = AC
13 cm = AC
AC is the chord, hence AO is the radius of the circle...
AO = AC/2
AO = 13/2
RADIUS = 13/2
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Area of circle = πr²
= 22/7 × 13/2 ×13/2 cm²
= 3.14 × 6.5 × 6.5 cm²
= 132.665 cm²
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Area of shaded region = area of circle - area of rectangle...
= 132.665 cm² - 60 cm²
= 72.665 cm²
therefore, area of shaded region will be 72.665 cm²...
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hope!!...it helps uhh...❣️
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