Should be 67 or 113 if not then it’s probably 157
Answer:
x = 16
Step-by-step explanation:
180=(5x-8)+(7x-4)
180=12x-12
192/12=x
x=16
Equalateral is the answer
<h3>Given:</h3>
<h3>To find:</h3>
The size of the unknown angle "x"
<h3>Solution:</h3>
The given polygon is a Pentagon so the sum of interior angle will be,

n means the number of sides
Let's substitute the values according to the formula.


Now, we can find the sum of one interior angle.

n means the number of sides.
Let's substitute the values according to the formula.


<u>Therefore</u><u>,</u><u> </u><u>the</u><u> </u><u>size</u><u> </u><u>of</u><u> </u><u>the</u><u> </u><u>unknown</u><u> </u><u>angle</u><u> </u><u>"</u><u>x"</u><u> </u><u>is</u><u> </u><u>1</u><u>0</u><u>8</u><u>°</u>
Answer:
27 + 10d
Step-by-step explanation: