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Please tell the answer of 9 no. |
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Answer» Step-by-step explanation: 1st angle = 55° 2nd angle = 65° 3RD angle = 55+65 = 180° / sum of all SIDES of a triangle . 120° = 180° 180° - 120° = 60° the measure of THIRD angle is 60° PLEASE mark me brillanest |
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