(a) om o cm (c) 8 cm (d)12.5 cm
2. The sides of a triangle are in the ratio 2: 3:4.
The perimeter of triangle is 18 cm. The area
(in cm) of the triangle is
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(a) om o cm (c) 8 cm (d)12.5 cm
2. The sides of a triangle are in the ratio 2: 3:4.
The perimeter of triangle is 18 cm. The area
(in cm) of the triangle is
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Answer:
Step-by-step explanation:
Radius of semicircle is
Hypotenuse of triangle is 5 cm
Then Perimeter of semicircle = 22/7×5/2+5= 90/7
Common side of semicircle and triangle is 5
Then 5 subtract from 90/7 = 55/7
Add remaining side of triangle in 55/7
=( 55/7)+3+4 = 104/7 cm