Question

= 5. a. Construct a quadrilateral PQRS with PQ = 5 cm, QR = 4.5 cm, RS = 4 cm, and anlge Q=120, and angle R=95. Draw figures ​

Answer 1

Let x=0.47ˉ  (Mixed recurring decimal)

i.e. x=0.47777…(1)

Multiplying (1) by 10, to make it pure recurring decimal, we get

10x=4.7777…(2)

Further multiplying (2) by 10, we get

100x=47.777….(3)

Subtracting (2) from (3), we get

100x–10x=(47.777…)–(4.7777…)

⇒90x=43

⇒x=9043

Thus 0.47ˉ=9043

Answer 2

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