Question

The area of a triangle is equal to the area of a rectangle whose length and width are 20cm and 15cm respectively.calculate the height of the triangle if the base measures 30cm

Answer 1

area of triangle=area of rectangle
1/2×base×hieght=length×breadth
1/2×30×h.=20×15
h.=20×15×2/30
h.=20cm.

Answer 2

Area of a triangle = Area of a rectangle
1/2×b×h Sq. units = l×b Sq. units
1/2×30×h cm2. =20×15 cm
15h = 300
h = 300/15
=20
hence, height is 20 cm.