Asked by daz

how to work out the percentage of a triangle that is shaded by a circle??

(circle is at a tangent to all 3 sided if that helps)

thanks
Answered by daz
sorry just tring to work out equation to get percentage not the ans
Answered by shwezin
How do you factor this expression completely? x^2-49
Answered by Emily
How do you express x^2-49?

(x+7)(x-7)

X(times)X = X^2
(positive 7) (times) (negative 7)= -49

X^2-49
is (x+7)(x-7).
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