answer is x = 10 degrees
Step-by-step explanation:
a right angle is 90 degrees. the angles added are 4x + 3x + 2x = 90.
so 9x = 90
divide by 9 on both sides
x = 10
Answer:
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Step-by-step explanation:
Answer:
Step-by-step explanation:
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This one is very simple.
create a simple equation to find out
15 = 12 + x
subtract 12 from each side
x= 3
the missing number is 3
or, to be even simpler, take the total, subtract the total from the number you know and the difference is the missing number.
hope I helped
ALSO, we can check going down vertically. 3 + 10 =13. this is the total listed at the bottom.