Key Skill - Find the angle of a sector given its area and radius.

"Find the angle of a sector given its area and radius."

[bcraw]

Thanks to this DFM I finished my DFM homework with 100%

[tamaracrumpton]

This was so much help for my daughter's end of year exams, very easy to understand, thanks!

[DivineAlhareth]

very clear, and good solution. Thanks for the lesson, deserves a sub

[BackToBack]

all the other vids were too complex but this one was amazing tysmmmm

[SarafinaElizabeth]

An engineer is asked to design a water sprinkler that will cover a field
of 100m2
that is in the shape of a sector of a circle of radius 15cm.
Calculate:
i) the angle through which the sprinkler rotate. [3]
ii) the arc length of field (sector of a circle). [2]

[azreen]

the pi and the radius square is not explained in detail.

[otk._rob]

heggerty maths : the quadratic formula is negative b + the square root of b squared minus four a c all over 2 a




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ye









im joking this shi. t hard

[otk._rob]

heggerty maths on top any day this sucks

[otk._rob]

bro i got the answer with heggerty maths straight away this stuff weak