A triangle has sides of length 48 mm, 5 cm and 1.4 cm. Is the triangle right-angled?
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When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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