Question

find the area of triangle 40cm 15cm 25cm​

Answer 1

Step-by-step explanation:

15 cm, 25 cm and 30 cm respectively.

Top answer · 1 vote

Let a = 15 cm, b = 25 cm and c = 30 cm

Answer 2

Answer:

Use Calculator...

FIRST USE....

FIRST USE.... s(semi perimeter) = (a+b+c)/2

FIRST USE.... s(semi perimeter) = (a+b+c)/2THEN USE...

FIRST USE.... s(semi perimeter) = (a+b+c)/2THEN USE... area = √s(s(a+b) + s(b+c) + s(c+a))