Write the equation of a line that is perpendicular to
y
=
5
y=5y, equals, 5 and that passes through the point
(
−
7
,
−
5
)
(−7,−5)left parenthesis, minus, 7, comma, minus, 5, right parenthesis.

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.