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Answer:
excuse me
Step-by-step explanation:
do it by yourself
sorry.....
Verified answer
Step-by-step explanation:
Answer B 1) :-
P,Q and R are three points which lie on a plane. Thus, if we connect them to a centre, the sum of the angles formed by them will be 360°
Therefore,
/POQ + /QOR + /POR = 360°
By substituting the values we get -
110°+130°+/POR=360° =
240°+/POR=360° =
/POR=360°-240° =
/POR=120°
Answer B 2) :-
Let the diagonal of the square be x. Then, according to question -
10^2 + 10^2 = x^2 =
100 + 100 = x^2 =
200 = x^2 =
√200 = x
14.1421.... = x