the perimeter of an isosceles triangle X cm long equal side and 3 cm the third side is 15 cm find the length of equal sides
Share
the perimeter of an isosceles triangle X cm long equal side and 3 cm the third side is 15 cm find the length of equal sides
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
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