Find the area of an isosceles triangle, whose equal sides are of length 15 cm each and third side is 12 cm.

+1 vote
1 view
asked Oct 3, 2018 in Class IX Maths by navnit40 (-3,089 points)

Find the area of an isosceles triangle, whose equal sides are of length 15 cm each and third side is 12 cm.

Please log in or register to answer this question.

1 Answer

0 votes
answered Oct 3, 2018 by priya12 (-11,407 points)

Area of isosceles triangle = 12/4 root under(4 x 152 - 122)  = 12/4 root under (√900 - 144)

= 3√756 = 3 x 6√21 = 18√21 cm2

Related questions

0 votes
1 answer
...