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3 years ago

PLEASE HELP:)

2 answers:

8 0

<mkb because of the isosceles triangle theorem. If two sides of a triangle are congruent, it is isosceles, so the angles opposite them are also congruent.
Hope this helps!

Ronch [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Given that a line segment BK is an angle bisector of triangle ABC.

When the line KM intersects BC such that BM=MK

we find an isosceles triangle BMK with two sides equal

Hence by isosceles triangles theorem, two angles opposite equal sides would be equal

i.e. $m∠MBK≅m∠_BKM____$

The isosceles triangle theorem states that If two sides of a triangle are congruent, then angles opposite those sides are congruent.

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given that oa=2x+9y ob=4x+8y and cd= 4x-2y, explain the geometrical relationships between the straight lines ab and cd mathswatc

tangare [24]

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Step-by-step explanation:

Let us revise some notes:

If a line is drawn from the origin and passes through point A (a , b), then the equation of OA = ax + by
If a line is drawn from the origin and passes through point B (c , d), then the equation of OB = cx + dy
To find the equation of AB subtract OB from OA, then AB = (c - a)x + (d - b)y
The slope of line AB = $\frac{-coefficient(x)}{coefficient(y)}$

∵ oa = 2 x + 9 y

∵ ob = 4 x + 8 y

∵ ab = OB - OA

∴ ab = (4 x + 8 y) - (2 x + 9 y)

∴ ab = 4 x + 8 y - 2 x - 9 y

- Add like terms

∴ ab = (4 x - 2 x) + (8 y - 9 y)

∴ ab = 2 x + -y

∴ ab = 2 x - y

∵ The slope of ab = $\frac{-coefficient(x)}{coefficient(y)}$

∵ Coefficient of x = 2

∵ Coefficient of y = -1

∴ The slope of ab = $\frac{-2}{-1}=2$

∵ cd = 4 x - 2 y

∵ Coefficient of x = 4

∵ Coefficient of y = -2

∴ The slope of cd = $\frac{-4}{-2}=2$

∵ Parallel lines have same slopes

∵ Slope of ab = slope of cd

∴ ab // cd

The geometrical relationships between the straight lines ab and cd

is the straight line ab is parallel to the straight line cd

Learn more;

You can learn more about the parallel lines in brainly.com/question/10483199

#LearnwithBrainly

4 0

3 years ago

Tasha plans to tile the floor in her room with square tiles that are 1/4 foot long. Will she use more or fewer tiles if she is o

Allisa [31]

She will need less tiles because the common dinominator of 4 and 3 is 12.
1/4 =3/12 and 1/3 = 4/12.
do as you see 1/3 is greater than 1/4 therefore she will need less tiles

7 0

3 years ago

-10.2+c=-8.14<br> Helpppp

Oksanka [162]

Answer:

c=18.34

Step-by-step explanation:

6 0

3 years ago

Please help! I need this asap! Thank you. (^-^)

FrozenT [24]

Answer: