Question

The base of a triangle of 15cm and height is 12cm. The height of another triangle of double the area having the base 20cm is

Answer 1

Answer:

h=18

Step-by-step explanation:

Case 1

base=15cm

height=12cm

area=1/2*base*height

1/2*15*12

=90cm^2

Case 2

area of triangle 1is doubled

90*2=180cm^2=area of triangle 2

base=20cm

height=h

according to the question

area of triangle 2=1/2*base*height

180=1/2*20*h

180=10h

18=h

Hope it helps.....