Question

An isosceles triangle har perimeter 30cm and each of equal sides are 12cm each. Find the area of the triangle

Answer 1

please find the attachment

Answer 2

Answer:

Isosceles triangle

Solve for area

A≈40.25cm²

b Base

12

cm

P Perimeter

30

cm

Using the formulas

A=bhb

2

P=2a+b

hb=a2﹣b2

4

Solving forA

A=1

4bP(P﹣2b)=1

4·12·30·(30﹣2·12)≈40.24922cm²