If rt is a diameter of q, find m a.88°
b.89°
c.92°
d.101°

A.88°

Step-by-step explanation:

Given,

RT is the diameter of the circle with center Q.

We have to find the measure of ∠RQS.

Solution,

Since RT is the diameter. That is it makes a straight angle at the center Q.

And measure of straight angle is 180°.

So we can say that  ∠RQS and ∠SQT makes a straight angle.

Now substituting the given values, we get;

We get the value of 'x'.

By substituting the value of x, we can find the measure of ∠RQS.

Hence the measure of ∠RQS is 88°.

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-2

7 - 9 = -2

reversed:

-2 + 9 = 7