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The figure shows a rhombus and an equilateral triangle joined together.(a) 20(b) ZABD = .(c) LE(d) ZA |
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Answer» /_ C = 60° as all sides are equal/_ABD=120° Linear pair /_E =120° opposite angles are equal/_ A= 60° 360°- (120°+120°) =360°-240°=120° =120÷2=60° |
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