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(3) The angles of a triangleare( 2x),(3x+5),(4x-14)Find the angles |
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Answer» SUM of ANGLES of a triangle=180 =2x+(3x+5)+(4x-14)= =2x+3x+4x+5-14=180 =9x-9=180 =9x=180+9 =x=189/9 =x=21 2x=2×21=42 3x+5=3×21+5=63+5=68 4x-14=4×21-14=84-14=70 |
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