Answer:
-2x
Step-by-step explanation:
They intersect at a right angle
The triangle have three sides and draw the sides
Answer:
-40
Step-by-step explanation:
12 - 52 = -40
hope this helps...
In a triangle, the three interior angles always add to 180°
m∠R + m∠S + m∠<span>T = 180
</span><span>(2x+10) + (2x+25) + (x-5) = 180
</span>2x+10 + 2x+25 + x-5 = 180
5x + 30 = 180
5x = 150
x = 30
