ANSWER

EXPLANATION
Vertical angles face each other directly opposite just like the angles formed on the opposite sides of the letter X.
Vertical angles, also called vertically opposite angles are equal.
From the above diagram,

because they are vertically opposite to each other.
The correct answer is B.
Do you have a picture of this problem? I don’t have enough information to solve it.
Answer:
65.8 ft
Step-by-step explanation:
The number of strings required to tie each vertex to the other three will be ...
(4)(3)/2 = 6
Those strings will be perimeter strings plus two diagonal strings. The lengths of the perimeter strings are given as 12 ft and 7 ft. The lengths of the diagonal strings can be found using the Pythagorean theorem.
d² = 12² +7² = 144 +49 = 193
d = √193 ≈ 13.892
Then the total length of all strings is ...
L = 2(12.0 +7.0 +13.9) = 65.8 . . . . feet
The artist will need 65.8 feet of string.
Answer:
Step-by-step explanation:
Hahaha somebody deleted my answer whoops