Q5 of 29 Page 63

Angle in a semi circle is

As a semicircle is formed by a diameter and the angle subtended on the circumference by the diameter is 90°.

More from this chapter

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3

In the given figure, AB is one of the diameters of the circle and OC is perpendicular to it through the center O. If AC is 7√2 cm, then what is the area of the circle in cm2

 4

In the given figure, AB is a diameter of the circle and points C and D are on the circumference such that ∠CAD = 30°and ∠CBA = 70° what is the measure of ACD?

 6

Angle in a minor segment is

 7

In a cyclic quadrilateral ABCD, ∠A = 5x, ∠C = 4x the value of x is