Write the number 0.5 in the form a/b , using integers to show that it is a rational number ?
1 answer:
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Answer:
X = 45°
Y = 72°
Step-by-step explanation:
There is a supplementary angle (an pair of angles that create a straight line is equal to 180°) and there is the rule that all three angles in a triangle equal 180° as well.
