Question

O is the centre of the circle in each figure. Find the size of each lettered angle. ​

Answer 1

Answer:

x= 42°

and a= 55°

because o is the centre of each figure.

Answer 2

Answer:

x = 35°

a = 48°

Step-by-step explanation:

Here, x + 55° + 90° = 180°

=> x = 35°

and, a + 42° + 90° = 180°

=> a = 48°

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