Find the value of x. The angle measures of a right triangle are 30°2x°3x°
2 answers:
Answer:
x=30
Step-by-step explanation:
all interior angles in a triangle must equal 180 degrees
2x+30+90=180
2x+120=180
2x=60
x=30
you can check by substituting 30:
2(30)+30+90
60+30+90=180
another way to do this:
3x is an exterior angle
however it is a supplementary one as well
that means tht
3x+90=180
3x=90
x=30
you get the same answer either way
HOPE THIS HELPS!
Answer:
30
Step-by-step explanation:
Exterior angle equals sum of opposite interior angles
3x = 2x + 30
3x - 2x = 30
x = 30
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