Help please
im pretty sure this is called angle sum theory but I could be wrong
2 answers:
<u>y = 25</u>
Step-by-step explanation:
<u>=> 115 = y + 90 {exterior angle of triangle is equal to the sum of its opposite two interior angles}</u>
<u>=> 115 = y + 90 </u>
<u>=> 115-90 =y</u>
<u>=> 115 = y + 90</u>
<u>=> 115-90 =</u><u>y</u>
<u>=> y = 25</u>
Answer:
x= 180°-115°
= 65° ( adjacent angles in a straight line)
y= 180°-90°-65°
= 25° ( angle sum of a triangle)
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