Question

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

Answer 1

sorry just tring to work out equation to get percentage not the ans

Answer 2

How do you factor this expression completely? x^2-49

Answer 3

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).