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प्रश्न
A mason has made a concrete slab. He needs it to be rectangular. In what different ways can he make sure that it is rectangular?
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उत्तर
(i) By measuring each angle - Each angle of a rectangle is 90°
(ii) By measuring the length of the diagonals - Diagonals of a rectangle are equal.
(iii) By measuring the sides of rectangle - Each pair of opposite sides are equal.
संबंधित प्रश्न
In a parallelogram ABCD, the diagonals bisect each other at O. If ∠ABC = 30°, ∠BDC = 10° and ∠CAB = 70°. Find:
∠DAB, ∠ADC, ∠BCD, ∠AOD, ∠DOC, ∠BOC, ∠AOB, ∠ACD, ∠CAB, ∠ADB, ∠ACB, ∠DBC and ∠DBA.
Which of the following statement is true for a rectangle?
Its diagonals bisect each other.
Which of the following statement is true for a rectangle?
Its diagonals are equal and perpendicular, and bisect each other.
Fill in the blank in the following, so as to make the statement true:
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