Question

(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​

Answer 1

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