Question

1. Diagonals PR and QS of a rhombus PQRS are 20 cm and 48 cm respectively.
Find the length of side PQ.
Р
The diagonals PR and QS intersect at O.
OP = _ = %* 20 OP =
OQ = " QS = x
OQ = 24 cm
In triangle POQ
A Go
36
10
PQ² =
S
24
O
24
(10)2 + (24)
100 + 576
PQ²=
PQ =
10
R​

Answer 1

Answer:

The first law of reflection states that the incident ray, the reflected ray, and the normal to the surface of the mirror, all lie in the same plane. The second law of reflection states that the angle of reflection is equal to the angle of incidence.

Step-by-step explanation:

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