Similar figures: side lengths and angle measures
| The triangles are similar. Find the value of x. |
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Write proportions using corresponding parts. Then solve to find the missing mearure.
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Definition of similar polygon |
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x(8)=4(4)
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Cross product |
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8x=16
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Simplify |
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Divide each side by 8 |
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x=2
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Simplify |
| If these two figures are similar, what is the measure of the missing angle? |
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Since the shapes are similar and corresponding angles in similar shapes have the same measure, the measure of the missing angle is 131º.
