3 years ago

Which expression gives the measure of abc

Mathematics

2 answers:

marusya05 [52]3 years ago

5 0

Answer:

Option B $\frac{1}{2}(110\°+20\°)$

Step-by-step explanation:

we know that

The measure of the interior angle is the semisum of the arcs comprising it and its opposite.

In this problem

$m$

substitute the values

$m$

Vlad [161]3 years ago

3 0

Answer:

It’s the option B on apex !!

Step-by-step explanation:

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Step-by-step explanation:

$Slope \: of \: AB = \frac{1 - 1}{7 - 2} = \frac{0}{5} = 0 \\ \\ Slope \: of \: BC = \frac{4 - 1}{2 - 7} = \frac{3}{ - 5} = - \frac{3}{ 5} \\ \\ \because \: Slope \: of \: AB \neq \: Slope \: of \: BC \\ \\ \therefore \: given \: points \: are \: non - collinear. \\$