In the figure, PQ\\SR, ST\\, ST\\RQ, PS = 7cm, PT = 7cm, ...
In the figure, PQ\\SR, ST\\, ST\\RQ, PS = 7cm, PT = 7cm, SR = 4cm. Find the ratio of the area QRST to the area of PQRS.
A.
56.77
B.
56.105
C.
28:105
D.
28:49
E.
56:49
Correct answer is B
Area of QRST = 4 x 7 = 28
Area of PQRS = 12(4 + 11) x 7
= 72 x 151
= 28:52.5
= 56:105