2r - 4 2(r - 2)
--------- = ----------- = 2
r - 2 r - 2
answer
2
Answer:
BDC is half of mBC = 11°
Easily you see that C is A + BDC = 23°
Since C = 23° so mDC is twice = 46°
x
Answer:
1487.1 centimeters
The measure of the third angle is 50 because a triangle has a sum of 180 degrees by angle.
so... 46+84=130 and to get to 180, the last angle has to be worth 50.
The answer is c hopefully it helps