The formula m= V2 - V1
X2 - X1
The product of these slopes is
This product
shows that the slopes are negative reciprocals. It is given
that the lines are perpendicular and we have shown that
the slopes of the lines are negative reciprocals.

Answer is (d-b/c-a)(c-a/-d+b)=1

step-by-step explanation: 2

2 1/2 feet

step-by-step explanation:

ιт ιѕ $222.95

step-by-step explanation:

αℓℓ уσυ gσт тσ ∂σ ιѕ fιgυяє συт ωнαт 30% σf $318.50 ιѕ $95.55

тнєи ѕυвтяα¢т ιт fяσм $318.50-$95.55=$222.95

нσρє ι ¢συℓ∂ нєℓρ уσυ συ

true

step-by-step explanation:

intersecting chords are just lines that intersect. so a line is equal to 180 degrees, so when it is intersected by another chord, then it create supplementary angles, and because the lines cross, vertical angels are also formed.