Q104
If M is the mid-point of the side BC of ΔABC, and the area of ΔABM is 18 cm2, then the area of ΔABC is:
A.
30 cm2
B.
34 cm2
C.
36 cm2
AnswerD.
32 cm2
Answer: Option C
Solution
Answer: Option C
Solution:

BM : MC= 1 : 1
Area of ΔBMA : Area of ΔAMC
= 1 : 1
↓
18
2 unit → 18 × 2
Area of ΔABC = 36 cm2