Use angle sum property (the 3 angles in a triangle sum up to 180°).
2x + x + 54 = 180
3x + 54 = 180
3x = 180 - 54
3x = 126
x = 126/3
x = 42
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Answer:
Don't be lazy, do it by yourself for more brain work!
Step-by-step explanation:
Answer:
Step-by-step explanation:
(7+4) any expression 2
Answer:
RT=6.5
PV=7.3
Step-by-step explanation: