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: use PEMDAS
Step-by-step explanation:
Answer: 3 divided by 2 = 1.50
1.50×10=15
Step-by-step explanation:
Answer:
susan
Step-by-step explanation:
susan as 18 out of 48 = 0.375
multiply by 100
0.375 x 100 = 37.5