Answer: D
Step-by-step explanation: Im vv sure, is this a test?
Answer:
AB+BC+AC=180°
8 - 7 + 2x +3x -8= 180°
-7+5x=180°
x=180°+7/5
x=37.4°
again
BC=-7+2*37.4
=67.8°
x^2+y^2=r^2 is quation of circle whose centre is (0,0)
22
Step-by-step explanation:
