MAT help!

let say the angle subtended from the centre of the circle is a, how come tan a=3/4 then the area of the sector is 2a? pls help

Original post by puta.madre

let say the angle subtended from the centre of the circle is a, how come tan a=3/4 then the area of the sector is 2a? pls help

There must be more to the question than this. What is the radius of the circle? Can you tell us the year and question number?

There must be more to the question than this. What is the radius of the circle? Can you tell us the year and question number?

Original post by puta.madre

Blimey! There's a massive jump from the question on the paper to your question. I'll try to have a look at it shortly.

look thanks man!

Blimey! There's a massive jump from the question on the paper to your question. I'll try to have a look at it shortly.

Original post by puta.madre

let say the angle subtended from the centre of the circle is a, how come tan a=3/4 then the area of the sector is 2a? pls help

The area of a sector with subtended angle a in a circle of radius R is aR^2/2 (this is a standard result). That's all you need

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