the side of triangle are 8cm 15cm and 17 cm find its perimeter and area
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Answer:
Perimeter=40 cm
Step-by-step explanation:
perimeter= 8+15+17cm
=40 cm
Answered by
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The perimeter of the triangle = sum of all the sides
= 8+15+17
=40cm
The area of ∆= s= (a+b+c)/2= 40/2 = 20
By herons formula
√(20-8) (20-15) (20-17)
Now you can solve this and remember that the whole is under root after subtraction and multiplication you have to take root of the answer
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