Question

The area of a triangle, two sides of which are 5cm,6cm and the perimeter is 20cm is
(1 Point)

Answer 1

Solve: Perimeter of triangle: A+B+C

A: 5cm

B: 6cm

C: x cm

So, C: 5cm + 6cm+ x : 20cm

11cm + x : 20cm

x : 20cm - 11cm

x: 9cm

Ans: 9cm : x or C