Line QR is tangent to circle P at point Q.

What is the measure of angle R?

37°

53°

90°

97°

Step-by-step explanation:

Givens

If line QR is tangent at Q, then linea PQ and linea QR are perpendicular, which means angle Q inside the triangle is equal to 90°.

So, by definition, we know that all three internal angles must sum 180°.

And,

So,

Therefore, angle R measures 37 degrees.

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let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.