Question

how do you find the area of an isocelese triangle when base and one of its equal sides is given

Answer 1

if in the given above situation I answered by using Pythagorean triplet that help to find height of traingle by drawing a parrllel line that makes 90 degree angle

Answer 2

Here you go, as promised from your other question... I used the area rule and the cosine rule to solve this : )