Using ruler, compasses and protractor, if necessary, construct the following quadrilaterals:
1) a quadrilateral ABCD in which AB=4 cm, BC=4 cm, angle A = 70°, angle B =80° and angle C = 90°.
2) a quadrilateral PQRS in which PQ=QR=5 cm, angle P = 100°, angle Q=80° and angle R=100°.
3) a quadrilateral ABCD in which AB = 5 cm, BC =4 cm, angle A=80°, angle B=90°, angle C =100°.
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first you use protractor to measure degree and then use scale to measure 4 and 5 cm
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