Solve by taking the square root of both sides.
3(3+4)2 – 24 = 0
a X=-4-6/2or-4+62
b. X-4-2 or -4+2-12
cx-4-212 or 4+2V2
d. *--4-2/2 or - 4+2/3
Please select the best answer from the choices provided
oo

The perimeter of ? cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.