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| Iff a right triangle’s acute angles have measures of 30° and 60°, then the right triangle is a(n) __________. Note that this triangle is half of an equilateral triangle sliced along an altitude. |
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| Iff two of the legs of a triangle have the same measure, then the triangle is a(n) __________. |
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| Iff all three sides of a triangle have the same measure, then the triangle is a(n) __________. |
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| Iff a right triangle’s acute angles both have measures of 45°, then the right triangle is a(n) __________. Note that this triangle is half of a square that has been sliced along one diagonal. |
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| Iff a quantity is the distance around a plane figure, then we call that quantity the figure’s __________. |
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