Question

Prove that the angle subtended by an arc of a circle at the centre is double the angle subtended by it at any point on the remaining part of the circle

Answer 1

Sorry for the cancellations in the answer but yeah hope it helps...

Answer 2

Step-by-step explanation:

3 pens and 5 pencils cost

14 rupees. . what will be the cost of 12 pens and 20 pencils

(a) rupees 42. (b) rupees 56

(c) rupees 70. (d) rupees 112