Question

area of a triangle is 30cm 2 .if the base is 12 long the height is

Answer 1

Answer:

5 cm

Step-by-step explanation:

area of triangle = 1/2 × base × height

now

1/2 × 12 × height = 30 cm^2

height = ( 30 × 2 ) / 12

= 60 / 12

= 5 cm. ans

Answer 2

Answer:

h = 5 cm

Step-by-step explanation:

Aria of triangle A = bh/2

30 = 12h/2 ⇔ 12h = 60 cm² ⇒ h = 5 cm