In the diagram below, mpr = 140 and mqs = 106. What is the measure of ptr?

Mathematics

1 answer:

choli [55]3 years ago

4 0

Answer:

Option B

$m\angle PTR=123^o$

Step-by-step explanation:

we know that

The measure of the interior angle is the semi-sum of the arcs comprising it and its opposite

$m\angle PTR=\frac{1}{2}[arc\ PR+arc\ QS]$

substitute the given values

$m\angle PTR=\frac{1}{2}[140^o+106^o]$

$m\angle PTR=123^o$

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