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.
56.77
56.105
28:105
28:49
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
Similar Questions
Find the 9th term of the arithmetic progression 18, 12, 6, 0, -6 ......... ...
In ∆ PQR, P\hat{Q}P = 84^°, |Q\hat{P}R |= 43^° and |PQ| = 5cm. Find /QR/ in cm, correct to 1...
I am x years old and my brother is 3 years older. How old was my brother last year? ...
At what value of X does the function y = -3 - 2x + X2 attain a minimum value? ...
Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2) ...
Find the area, to the nearest cm^2, of the triangle whose sides are in the ratio 2 : 3 : 4 and w...
Solve the inequalities for which \frac{x+4}{3}-\frac{x-3}{2} < 4 ...