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The sum of two angles of a triangle is 80° and their difference is 20°. Find allthe angles of the triangle. |
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Answer» Step-by-step EXPLANATION: x+y+z=180⁰ given x+y=80⁰ and x-y=20⁰ - + - __________ 2y=60; y=30⁰ x+30⁰=80⁰; x=50⁰ 80⁰+z=180⁰ z=100⁰ |
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