1.
A. 2x
B. 180¢X - x
C. 180¢X - 2x
D. 360¢X - x
E. 360¢X - 2x
2. In the following figure, find the value of x + y.
A. 20¢X
B. 30¢X
C. 40¢X
D. 50¢X
E. None of the above
3. In the following figure, CD is a tangent at D. AOD is a diameter and ABC is a straight line. If and D BDC = 35¢X , find the value of D ABE.
A. 15¢X
B. 20¢X
C. 25¢X
D. 30¢X
E. 35¢X
4. In the following figure, XY and XZ are tangents to the circle at Y and Z respectively. Find the value of D YAZ.
A. 60¢X
B. 100¢X
C. 120¢X
D. 140¢X
E. 150¢X
5. In the following figure, BCD is a straight line. Express x + y in terms of q .
A. q
B. 2q
C. 180¢X
D. 180¢X - q
E. 180¢X + q
6. In the following figure, AEB, ADC and BFC are straight lines. Find the value of D DGE.
A. 110¢X
B. 120¢X
C. 130¢X
7. In the following figure, AB, BC and CA are tangents to the circle. If the perimeter of D ABC is 40 and AB = 12, find the length of CD.
A. 8
B. 9
C. 10
D. 11
E. It cannot be determined
8. In the following figure, if and BC = DC, which of the following is/are true?
(I) AB = AD (II) AC is a diameter (III) BD ^ AC
A. (II) only
B. (III) only
C. (I) and (II)
D. (I) and (III)
E. (I), (II) and (III)