find area of isosceles triangles whose each of the equal sides is 8cm and the base is 9cm.
Answers
Answered by
1
Answer:
98.4375 cm2
Step-by-step explanation:
Answered by
4
Hello dear
Semi - Perimeter = a+b+c/2
= 8+8+9/2
=25/2
=12.5
Area of triangle = √ s(s - a ) (s - b ) (s - c)
= √ 12.5 ( 12.5 -8 ) ( 12.5 - 8 ) ( 12.5 - 9 )
= 12.5 × 4.5 × 4.5 × 3.5
= √ 885.9375
= 22.77
So , 29.77 is the area of a triangle .
Hope it's helped you...plz marks as Brainleist answer
Similar questions