Question

The area of triangle is 18 cm² and the sum of altitude is 12cm. the base and altitude are​

Answer 1

Step-by-step explanation:

Formula of area of ∆ is 1/2 ×base× height..

18cm^2 = 1/2×base× 12cm

18cm^2 = 6 × base

324= 6× base

324÷6 = base

54= base

Therefore, 54 is the correct answer!!!