Question

the area of a right angled triangle of its perpendicular is equal to 60 CM hypotenuse is equal to 61 CM

Answer 1

Area of bigger rectangle - Area of small square
(7) (5.6) -(30)(30)

Answer 2

1/2×base×height
base=✓(61)^2-(60)^2
=✓3721-3600
=✓121
=11cm
1/2×11×60
=330sq.cm