Question

ABCD is a rectangle and AC & BD are its diagonals. If AC = 10cm, then BD is: A. 10 cm B. 5 cm C. 15 cm D. 20 cm

Answer 1

In rectangle the diagonals are equal.
So AC = BD = 10cm.
Option = A

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Answer 2

Given:

The length of diagonal AC = 10 cm

To find:

The length of diagonal BD.

Solution:

We must know the fact that a rectangle has equal opposite sides. Moreover, its diagonals are also equal. Thus, in short, the opposite sides, as well as diagonals, are equal in a rectangle. Thus, if the length of one diagonal, i.e. AC is equals to 10 cm, then the length of the other diagonal i.e., BD will be 10 cm too.

Thus, the correct option will be A.