Angle a = 60
given that all angles of a triangle added together must equal 180
x = -20
-20+80=60
do it again for the other angle measurement
60+60+40=180
therefore, angle A is 60°
Answer:
87 3/4
Step-by-step explanation:
in order to get your answer u will have to subtract
So your circumference would be <span>34.557519189488 cm</span>. hope that helped
Answer:
t = -0.9
Step-by-step explanation:
-1(t+8) = -7.1
(t+8) = 7.1
t = -0.9
