Step-by-step explanation:
to find height :
draw a height from A to CD
height = (13) 2 - 5) 2 = 12 Cm
area = 10+20 /2 X 12= 180 cm 2
2 x y2 + 2 x 3 y3 + 3y + 7 y2 + 7
Answer:
27/40
Step-by-step explanation:
Answer:
I'm not very good with angles but I think the answer is AB
