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Two angles are 80° & 135°. Let the other two angles be x°. Since sum of all angles of a quadrilateral= 360°, 80°+135°+x°+x°=360° 215°+2x°=360° 2x°=360°-215° 2x°=145° x°=145÷2 x=72.5° Therefore, the other two angles are 72.5°. HOPING THAT THIS WILL HELP YOU!!!☺
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