If BD = 12x + 36
And BD = BC +CD = 3 + 1 = 4
BC = (12x + 36)/4 x 3
= 12(x+ 3) /4 x3
= 3(x+3) x 3
= 9x + 27
Likewise,
FE = 12(x + 3) /3 x 1
= 4x + 12
Area = 1/2 x (BC + FE) x DE
= 1/2 x (9x + 27 + 4x + 12)x (x+1)
= 1/2 x (13x + 39) x (x +1)
= 1/2 x 13x2 + 52x + 39
Hope this helps,
Regards,
ArmyCee:)
Answer:
6/40=3/20
Step-by-step explanation:
Each student got 1/4 because thats half of 1/2
Answer:
C
Step-by-step explanation:
A = Base x height
Base = 15
height = 4
= 60 square meter