Question

if area of trapezium is 12 cm square .if it's height is 3 cm find the sum of it's parallel sides​

Answer 1

Answer: 8

Step-by-step explanation:

area of trapezium=1/2(a+b) h

12=1/2×(a+b)3

(a+b)=12×2÷3

(a+b)=8