Area of trapezium= 1/2 × (a+b) × h
= 1/2 × (12 + 8) × 8
= 1/2 × 20 × 8
= 10 × 8
= 80 cm^3
Hope it helps you
Answer:
can't understand the question
Step-by-step explanation:
have a good day!
I used the completing the square method to get the (x+2)^2. The final line is in standard form.
Answer:
13(b-1)
Step-by-step explanation:
I think it the right one