12 times 2 + 6=30
16-6=10 divided by 2=5
the lion is 5 ft high
As you see this is a right angle, so the sum of the two angles = 90°
So,
(x + 42) + 3x = 90°
Remove the parentheses:
x + 42 + 3x = 90
Combine like terms:
4x + 42 = 90
Subtract 42 on both sides:
4x = 48
Divide 4 on both sides:
x = 12
~
Answer:
it should be C
Step-by-step explanation:
I hope this helps. if not, feel free to leave a feed back.