Question

(11) In a right angled triangle, hypotenuse is 25 cm and length of a side is 7 cm. Find the area of that triangle.​

Answer 1

AB^2=AC^2+BC^2

AB^2-BC^2=AC^2

25^2-7^2=AC^2

AC^2=625-49

AC^2=576

AC=√576

AC=24

1/2× b×h = 1/2×24×7= 84