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Solve the following questions. (i) In ...

Solve the following questions.
(i) In the given figure (not drawn to scale), O is the centre of a circle and PQ is the diameter. If `angleROS = 40^@`, then find `angleRTS`.

(ii) In the given figure (not drawn to scale), `angleBAD = 78^@, angleDCB = x and angleDEF = y.` Find the sum of x and y.

A

`{:((i),"(ii)"),(90^@,102^@):}`

B

`{:((i),"(ii)"),(20^@,78^@):}`

C

`{:((i),"(ii)"),(70^@,204^@):}`

D

`{:((i),"(ii)"),(60^@,102^@):}`

Text Solution

Verified by Experts

The correct Answer is:
C
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