an isosceles triangle has perimeter 30 cm and each of the equal side is 12 cm find the area of the triangle
Answers
Answered by
8
Let The Third Side Be xcm.
Now Perimeter = 12+12+x
24+x = 30
x = 6
Now Find The Area Using Herons Formula
Semiperimeter = 30/2 = 15
Sq Root(15(15-12)(15-12)(15-6) ) = Sq Root(15*3*3*9) = Sq Root(1215) = 34.85 cm^2
So Area is 34.85cm^2
Hope it helps. Plz mark me as brainliest if my answer helped you.☺
Answered by
14
Answer:
Step-by-step explanation:
Attachments:
Similar questions