Advertisements
Advertisements
प्रश्न
Find the length of the perpendicular of a triangle whose base is 5cm and the hypotenuse is 13cm. Also, find its area.
योग
Advertisements
उत्तर
Base = 5cm, Hypotenuse = 13cm
By Pythagoras theorem,
(perpendicular)2 = (13cm)2 - (5cm)2
(perpendicular)2 = 169cm2 - 25cm2
(perpendicular)2 = 144cm2
(perpendicular)2 = (12cm)2
∴ Perpendicular = 12cm
Area of the triangle
= 13cm2 x (Base x Perpendicular)
= `(1)/(2) xx 5"cm" xx 12"cm"`
= 30cm2.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
