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Temka [501]
2 years ago
6

On a coordinate plane, parallelogram R S T U is shown. Point R is at (1, 1), point S is at (7, 0), point T is at (10, 4), and po

int U is at (4, 5).
If line segment RU is considered the base of parallelogram RSTU, what is the corresponding height of the parallelogram?

4.5 units
5.4 units
9.0 units
10.8 units
Mathematics
2 answers:
ira [324]2 years ago
6 0

Answer:

B,5.4 units.

Step-by-step explanation:

Parallelogram RSTU

R(1,1),S(7,0),T(10,4),U(4,5)

slope of RU m=(5-1)/(4-1)=4/3

slope of RS=(0-1)/(7-1)=-1/6=-1/6

slope of ST=(4-0)/(10-7)=4/3

slope of  TU=(5-4)/(4-10)=1/(-6)=-1/6

RU||ST

eq. of line RU is

y-y1=m(x-x1)

y-1=4/3(x-1)

3y-3=4x-4

4x-3y-4+3=0

4x-3y-1=0

perpendicular distance of a point (x1,y1) from line ax+by+c=0 is

d=\frac{ax1+by1+c}{\sqrt{a^2+b^2} } \\

perpendicular distance of (7,0) from 4x-3y-1=0

d=\frac{4(7)-3(0)-1}{\sqrt{4^2+(-3)^2} } \\=\frac{28-1}{\sqrt{16+9} }\\=\frac{27}{5} \\=5.4~units

PilotLPTM [1.2K]2 years ago
5 0

Answer: b

Step-by-step explanation:

B

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