Answer:
Step-by-step explanation:
Answer:
It comes down to what the equals sign means. It means, that the two things mentioned on either side of the equation are the same thing. If you do something to the left side, you have presumably changed it.
Step-by-step explanation:
Hope this helps, If it did, then I would really appreciate it if you gave me Brainliest, I only need one more to rank up and it has taken forever to get to where I am currently. Thanks.
10x + 2x = C. Hope that helps!
Answer:
Step-by-step explanation:
Vertical angles theorem states that vertical angles are congruent.
<u>Arcs EF and are intercepted by vertical angles, therefore:</u>
<u>Angle addition postulate. </u>
<u>Central angle has same measure with intercepted arc.</u>
<u>So the arc ABD is:</u>
Answer:
Complementary angles
Step-by-step explanation:
The sum of the 2 angles = 27° + 63° = 90°
This is the definition of Complementary angles
