Answer:
D 62.5
Step-by-step explanation:
Triangles ABE and and DCE are similar
we know this by AAA theorem
A=D and B=C by alternate interior angles theorem
e and e are congruent by vertical angles theorem since all 2 angles match corresponding angles, the are similar, which means the triangle and corresponding sides are also proportional

Answer:
11
Step-by-step explanation:
11 + 10 = 21
Answer:
111,117,177,777,771,711,717,171
Step-by-step explanation: