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312Secondary SchoolEXERCISE 10A1. Three angles of a quadrilateral are 75°, 90° and 75º. Find the measuresthe fourth angle.2. The angles of a quadrilateral are in the ratio 2:4:5:7. Find the angles3. In the adjoining figure, ABCD is a trapeziumin which AB || DC. If _A = 55 and _B = 70”,find C and _D.DC7055°AE4. In the adjoining figure, ABCD is a square andAEDC is an equilateral triangle. Prove that(i) AE = BE, (ii) _ DAE = 15°D |
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Answer» don't UNDERSTAND your question Step-by-step EXPLANATION: so SORRY |
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