Question

What is the length of the base of a triangle with height 20 cm and area 150 cm2?

Answer 1

do you know formula for area of a triangle ?

Answer 2

no :/

Answer 3

why ? you dont learned it again ?

Answer 4

ok

area = bse time height divide 2

from this you need calculi the base

do you can ?

Answer 5

let base = x than this formula will be

150 = x*20/2

from this can you calculi the x ?

Answer 6

simplifie 20 and 2 so what will remain there ?

Answer 7

150=10x

divide both sides by 10

15 = x