Question

1807-3639 estimate by general rule​

If you know then answer

Answer 1

$\huge\mathfrak{★Answer:-}$

1807-3639

= -1832

By estimating answer = -2000

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3639-1807

= 1832

By estimating answer = 2000

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Answer 2

Step-by-step explanation:

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In the given figure, if PR = 12 cm, QR = 6 cm and PL = 8 cm, then QM is