Question

the given figure shows a circle with center o and diameter ab name the angle apb.
find the measure of angle apb
find the measure of angle apb
if ap= 12 cm and oa= 10 cm find the length of ab and bp.
if 4 ap 3 pb=12 cm find the radius of the circle.​

Answer 1

Answer: The angle, subtended by a diameter of a circle, is a right angle.  

Hence,  

(i) angle in a semicircle,

(ii) 90  

o

,

(iii) AB=20 cm & BP=16 cm,

(iv) 2.5cm.

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