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In Fig. 4.242 the measures of /D and ...

In Fig. 4.242 the measures of `/_D` and `/_F` are respectively (FIGURE) `50o,\ 40o` (b) `20o,\ 30o` (c) `40o,\ 50o` (d) `30o,\ 20o`

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In Fig. 10.95, P Q and P R are tangents drawn from P to a circle with centre O . If /_O P Q=35o , then (FIGURE) a=30o, b=60o (b) a=35o, b=55o (c) a=40o, b=50o (d) a=45o, b=45o

In Fig. 10.88, A P B is a tangent to a circle with centre O at point P . If /_Q P B=50o , then the measure of /_P O Q is (FIGURE) 100o (b) 120o (c) 140o (d) 150o

In Fig.10.96 ,if TP and TQ are tangents drawn from an external points T to a circle with centre O such that /_TQP=60o ,then /_OPQ=( FIGURE) 25o (b) 30o (c) 40o (d) 60o

In Fig.10.101,PQ and PR are two tangents to a circle with centre O. If /_QPR=460 then /_QOR equals (FIGURE) 67o (b) 134o (c) 44o ( ) 46o

A (4,0) 12 (a, o)

If the area of a sector of a circle is 7/(20) of the area of the circle, then the sector angle is equal to (a) 110o (b) 130o (c) 100o (d) 126o

(2tan30o)/(1+tan^2 30o) is equal to sin60o (b) cos60o (c) tan60o (d) sin30o

(2tan30o)/(1-tan^2 30o) is equal to cos60o (b) sin60o (c) tan60o (d) sin30o

PQ is a tangent drawn from a point P to a circle with centre O and QOR is a diameter of the circle such that /_POR=120o, then /_OPQ is 60o (b) 45o (c) 30o (d) 90o

The angle of intersection of the curves x y=a^2 and x^2-y^2=2a^2 is zero 0o (b) 45o (c) 90o (d) 30o

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