Question

in the adjoining figure, PO=QO=3cm, angle R= 45 ° , angle PQR=75° and angle Q=60°. Prove the following:
a)∆PRQ is congruent to ∆QSO
b)PR=SQ

please solve.​

Answer 1

$\huge✎\fbox \orange{QUE} ST \fbox\green{ION}☟$

$\large \underline \red{What \: is \: Atmosphere?}$

$\huge✍︎\fbox\orange{ÂŇ}\fbox{SW} \fbox\green{ÊŘ}:$

Atmosphere is the thin layer of air that surrounds the earth. It is made up of various gases such as oxygen, nitrogen, carbon dioxides, dust particles and water vapour. The gravitational force of the earth holds the atmosphere around it.

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