Answer:
115%
Step-by-step explanation:
5 is completely irrelevant, Vertical angles are congruent.
Answer:
7a+2a=9a
Step-by-step explanation:
You distribute the a to each of the numbers in the parenthesis. Which means that you multiply. You should be left with a 7a+2a. Then since 7+2=9, your answer is 9a. So answer 1 is correct because they do these exact steps.
The bases of the prism are the triangular faces.
One side is marked 3 units. The vertical sides to the left of the triangles are 4 units. In a right triangle, if the legs measure 3 and 4, the hypotenuse measures 5.
The three sides of the triangular base measure 3, 4, and 5.
Perimeter = sum of the lengths of the sides
Perimeter = 3 + 4 + 5 = 12
Answer: 12 units
It can arouse a feeling of pride and happiness.