Question

Find the base of triangle whose area is 220 squad. CM and height is 11cm

Answer 1

area = ½×b×h
220 =½×b×11
220/11 =½×b
20×2 = b
40 = b

base = 40cm

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Answer 2

heya mate
here is ur answer

let the base be x

area of a triangle=>1/2×base×height
1/2×x×11=220
1/2 × x= 220/11
1/2 × x=20
x =20÷ 1/2
x= 20×2
x=40


base=40 cm

hope it helped:(