11. The two angles are vertical angles, which mean they are equal to each other.
14x - 5 = 13x
Add 5 to both sides:
14x = 13x + 5
Subtract 13x from both sides:
x = 5
12. The two angles are supplementary and when added together need to equal 180 degrees.
5x -20 + 3x = 180
Combine like terms:
8x -20 = 180
Add 20 to both sides:
8x = 200
Divide both sides by 8:
x = 200 /8
x = 25
Answer:
y=81
Step-by-step explanation:
x=9 and y=81
y-70=11 (add 70 onto 11)
y=81
Answer:
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Answer:
150 cm2
Step-by-step explanation:
double of triangle abc is 200
this is in middle of both
Thats like geometry
and are you good in this suject?
