i'min 10th and preparing from different books for my recent entrance testin Kota coaching. recently i read somewhere about pie radian. what is it? it is not in our ncert. plz explain its concept or give the link ofany site which explains this, according to my level.

Dear Jayati

Radian is the unit of measurment of angle like degree.

one pie radian=180⁰

two pie radian=360⁰=one complete revolution

you can convert angle from radian to degree and vice versa

for radian to degree multiply with 180/∏

for degree to radian multiply with ∏/180

for example 60⁰=60x∏/180 = ∏/3 radian

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IITD

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