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3 years ago

Why do you think you can prove congruency with SSS but not with AAA Property. Explain your answer with figures.

Mathematics

1 answer:

Anettt [7]3 years ago

4 0

In AAA (Angle-Angle-Angle), triangles do not have the same size and only have 3 pairs of congruent angles.

In SSS (Side-Side-Side), if the three sides of one triangle are equal to the three sides of another triangle, the triangles are congruent.

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One challenge of federalism is that

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Step-by-step explanation:

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2 years ago

The total dinner bill at a buffet came out to $589 for 31 people.About how much was the buffet cost per person?

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Answer:

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Step-by-step explanation:

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3 years ago

If two 12-sided dice are rolled, what is the probability that both numbers will be even?

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2 years ago

Find the value of b. Round your answer to the nearest tenth.

marissa [1.9K]

Answer:

Side CA = 7.8

Step-by-step explanation:

Given:

Acute angled $\triangle ABC$ .

$\angle B =40^\circ$

AB = 10

BC = 12

We can use cosine rule here to find the side AC = b

Formula for cosine rule:

$cos B = \dfrac{a^{2}+c^{2}-b^{2}}{2ac}$

Where

a is the side opposite to $\angle A$

b is the side opposite to $\angle B$

c is the side opposite to $\angle C$

$cos 40 = \dfrac{12^{2}+10^{2}-b^{2}}{2\times 12\times 10}\\\Rightarrow cos 40 = \dfrac{144+100-b^{2}}{240}\\\Rightarrow 0.77 = \dfrac{244-b^{2}}{240}\\\Rightarrow 244-b^{2} = 0.77 \times 240\\\Rightarrow 244-b^{2} = 183.85\\\Rightarrow 244-183.85 = b^{2}\\\Rightarrow b^2 = 60.15\\\Rightarrow b = 7.76$

To the nearest tenth b = 7.8

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3 years ago

Solve this question 5/8÷15/16=?

strojnjashka [21]

Answer:

Hellou our answer is 2/3

Step-by-step explanation:

5/8 ÷ 15/16 = 2/3

6 0

3 years ago

Read 2 more answers