Answer:
27, 15, 13
Step-by-step explanation:
This equation is not factor-able, so we can use the quadratic formula.
x=(-11+square root(11^2-4(-12*-3)))/(2*-12)
x=(-11+square root(-23))/(-24)
Since we have the square root of a negative in this equation, there are no real roots for the quadratic.
Step-by-step explanation:
(a) In right triangle ABC,

Perimeter of Balcony = 12 + 5 + 20.41 = 37.41 m
(b) Area of balcony
