Answer:
D
Step-by-step explanation:
Answer:
a) a + c = 90
d) a + b + c + 30 = 180
e) The angles marked a and b are vertical
f) The angles marked a and c are complementary.
Step-by-step explanation:
A complementary angle is and angle that has a sum of 90 degrees. A vertical angle is 2 angles facing each other, that are completely identical. 180 degrees is the sum of a strait line. 90 degrees is a right angle.
Hope this helps! Have a wonderful rest of your day!
<em>-kiniwih426</em>
Answer:
45 square feet
Step-by-step explanation:
Answer:
1.53
Step-by-step explanation:
because 21 minus 19.47= 1.53
(x-2)squared +y squared=20
