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Yakvenalex [24]
4 years ago
8

Select one of the triangle theorems and write a proof for it.

Mathematics
2 answers:
Sauron [17]4 years ago
7 0

Answer:

Look at the attached picture

Step-by-step explanation:

Yes, they are congruent by the SAS Theorem

From the figure, we see that there are two congruent pairs of corresponding sides, AC¯¯¯¯¯¯¯¯≅DF¯¯¯¯¯¯¯¯,BC¯¯¯¯¯¯¯¯≅EF¯¯¯¯¯¯¯¯, and one congruent pair of corresponding angles, ∠C≅∠F. The Side-Angle-Side Theorem (SAS) states that if two sides and the angle between those two sides of a triangle are equal to two sides and the angle between those sides of another triangle, then these two triangles are congruent.

Gennadij [26K]4 years ago
4 0
When triangles are congruent, one triangle can be moved (through one, or more, rigid motions) to coincide with the other triangle.

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A triangle has side lengths of 13 cm and 6 cm. Which could be the value of the third side, 21 cm or 17 cm?
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A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of
kaheart [24]

6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Step-by-step explanation:

For 3 cups of oatmeal 2 cups of flour is required.

We need to find how much flour is needed for 9 cups of oatmeal.

Solving by using Unitary Method

3 cups of oatmeal require flour = 2 cups

1 cup of oatmeal require flour = \frac{2}{3}

9 cups of oatmeal require flour = \frac{2}{3}*9\\

                                                   = 6

So,  6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Keywords: Word Problems

Learn more about Word Problems at:

  • brainly.com/question/9381080
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  • brainly.com/question/210834

#learnwithBrainly

8 0
3 years ago
I need help on 6 please
IrinaK [193]
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7 0
3 years ago
5.Find the slope of a line perpendicular to
Lemur [1.5K]
Hi there!

When the slopes of two perpendicular lines are multiplied the outcome will be -1.

The slope is the number that is positioned in front of the variable x in the formula. In this case the slope of the given line is -2/5.

Let's call the slope of the perpendicular line m and take into account the given data of the question and my earlier explanation. We then find the following:

-  \frac{2}{5}  \times m =  - 1
Divide both sides by - 2/5.

m =   \frac{ - 1}{  - \frac{2}{5} }  = 2 \frac{1}{2}  =   \frac{5}{2}
The answer is B.

~ Hope this helps you!
5 0
3 years ago
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