100+75+70+x= 360° (sum of interior angles of quadrilateral)
x= 360-245= 115°
Answer:
Step-by-step explanation:whtyui
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Answer:
Step-by-step explanation:
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Answer:
a.) 70*
b.) 60*
Step-by-step explanation:
a.) An isosceles triangle has two angles that are equal. The one other angle is 40*, meaning you have to subtract that from 180 and then divide by 2.
b.) An equilateral triangle has three equal angles. Divide 180 by 3.
