It’s 30 because they are vertical angles which means both sides are congruent
Answer:
the answer is x=−1 and y=1
Step-by-step explanation:
hoped I helped:)
To find the regular follow this formula ; area = 1/2 x perimeter x apothem. Which means ... perimeter = the sum of lengths of the all sides
Answer:
Measure of BC = 10.
Step-by-step explanation:
This is an isosceles triangle because the 2 base angles are both 50 degrees.
So the 2 sloping sides AB and BC are also equal.
Answer:
5
Step-by-step explanation:
because it is asking what minus 9 is equal to -4
