Question

The area of an isosceles triangle is 336cm².if the base of triangle is 28cm, then find the measure of equal sides and perimeter of the triangle.(Ans:27.78cm,83.56cm)​

Answer 1

Step-by-step explanation:

Using the formulas

A

=

b

h

b

2

h

b

=

a

2

b

2

4

Solving for

a

a

=

1

2

b

2

16

A

b

2

=

1

2

28

2

16

336

28

2

≈

27.78489

cm