Question

An isoceles triangle has equal side 10cm long and a base 6cm long.Calculate the height of the triangle correct to 2decimal places​

Answer 1

9.54 cm

Explanation:

half base = 6:2 = 3 cm

height =
`√(equal side^2 - half base^2) = √(10^2 - 3^2) = √(100-9) = √(91)` = 9.54 cm