B is the only one that makes sense if you break them each down. An Acute doesnt have every Pair of angles congruent, the don't have to have proportional side lengths, and it can't have a right angle or it would be a right triangle.
Answer:
Yes, SAS theorem. Angle ACB and Angle ECD are congruent because of the vertical angles theorem.
Step-by-step explanation:
Answer:
x - 7
Step-by-step explanation:
Because Julian is 7 inches shorter than his sister, and his sister's height is x, if we subtract 7 from x, we get Julian's height, x - 7.
5x^2y
5 is the largest number to go in evenly. And the terms are limited to those.
By the Pythagorean Theorem:
L^2=20^2+15^2
L^2=400+225
L^2=625
L=25 m
