Question

I. find the area of a triangle in which.

(i) a=b=c=4cm

(ii) in right triangle, hypothenuse is 13 cm and one side is 5cm​

Answer 1

Step-by-step explanation:

$1. Find \: the \: area \: of \: a \: triangle \: in \: which: \\ (i) a=b=c=4cm \\ area \: of \: the \: triangle \: = length \times base \times height \\ = 4cm \times 4cm \times 4cm \\ = 64 {cm}^{3} \\ (ii) In \: right \: triangle, \: hypothenuse \: is \: 13 cm \: and \: one \: side \: is \: 5cm. \\ area \: of \: the \: right \: angle \: triangle = \frac{1}{2} \times base \times hypothenuse \\ = \frac{1}{2} \times 5cm \times 13cm \\ = \frac{1}{2} \times 65 {cm}^{2} \\ = 32.5 {cm}^{2}$