In this figure, PQRS is a parallelogram, PS = PT and < PST = 55o. The size of <PQR is
125o
120o
115o
110o
10o
Correct answer is D
Both pairs of opp. angles are equal
< STP = 55o - isosceles angle
< TSR = 55o - alternate angle to < STP
Hence, < PSR = 55o + 55o = 110o
∴ < PQR = 110^o
Similar Questions
Construct a quadratic equation whose roots are -\frac{3}{2} and 7...
Convert 2232_4 to base six ...
sinθ = 1/2 and cosθ = -√3/2, what is the value of θ? ...
Find the minimum value of y = x2 - 2x - 3...
Find the median of 4, 1, 4, 1, 0, 4, 4, 2 and 0 ...
In the diagram, the value of x + y = 220o. Find the value of n...
In proving the congruence of two triangles, which of the following is not important?...
An arc of a circle subtends an angle 70° at the centre. If the radius of the circle is 6cm, calc...
Solve for t in the equation \frac{3}{4}t + \frac{1}{3}(21 - t) = 11...