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triangle whose area is 12 cm² is transformed under enlargement about any point in space if the area of its image is 108 cm² find the scale factor of the enlargement |
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Answer» Given : TRIANGLE whose area is 12 cm² is transformed under enlargement about any point in space if the area of its IMAGE is 108 cm² To find : the scale factor of the enlargement Solution: A triangle is transformed under enlargement about any point in space Any triangle enlarged would be similar to ORIGINAL triangle Let say scale factor of enlargements is k Then ratio of sides of enlarged triangle to original triangle = k Ratio of area of similar triangle = ( ratio of side )² => 108 / 12 = (k)² => 9 = k² => k = 3 scale factor of the enlargement = 3 Learn more : Triangle R has an area of 40 square units. Salome drew a scaled ... Triangle RRR has an area of 404040 square units. Salome drew a ... |
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