Question

find the area of an isoclese triangle whose base is 18 cm and one of its equal sides is 15 cm

Answer 1

Answer:

108 sq. cm.

Step-by-step explanation:

Given : An isosceles triangle whose base is 18 cm and one of its equal sides is 15cm

To Find: Area

Solution:

Since we are given that base is 18 cm and one of its equal sides is 15cm

So, sides of triangle: a=15 ,b=15 , c=18

We will use heron's formula:

Where

Now a=15

b=15

c=18

So, substitute the values in formula

Hence the area of given triangle is 108 square cm

Answer 2

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