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3 years ago

Answer quickly for brainliest.

Mathematics

1 answer:

Ratling [72]3 years ago

5 0

Answer:

the one all the way on the left and the one all the way on the right!

the points that match are t,b a,v u,c

Step-by-step explanation:

Congruent Triangles - Two angles and included side (ASA) Definition: Triangles are congruent if any two angles and their included side are equal in both triangles. There are five ways to test that two triangles are congruent. This is one of them (ASA).

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What do i do with 2 medians

Vitek1552 [10]

Answer:

Add

Divide

Step-by-step explanation:

When you have 2 medians you have to add the 2 numbers together and then divide by two. This is to find the average of the 2 numbers.

8 0

3 years ago

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Find sin 2a and cot 2a:

geniusboy [140]

Answer:

$sin(2\alpha )=2(\frac{5}{12})(\frac{12}{13})=\frac{10}{13}\\cot(2\alpha ) = \frac{16511}{18720}$

Step-by-step explanation:

$\text{if } cos(\alpha)=\frac{12}{13}\\\text{That must mean we have a triangle with base 12, and hypotenuse 13.}\\\text{Using Pythagoras, we can determine the base of the triangle must be 5.}\\a^2+b^2=c^2 \text{, where c is the hypotenuse and a, b are the two other sides.}\\c^2-b^2=a^2\\\sqrt{c^2-b^2}=a\\\sqrt{13^2-12^2}=\sqrt{169-144}=\sqrt{25}=5\\\text{Therefore, }sin(\alpha) = \frac{5}{12}\\sin(2\alpha)=2sin(\alpha )cos(\alpha)\\\text{(From double angle formulae identities)}\\$

$sin(2\alpha )=2(\frac{5}{12})(\frac{12}{13})=\frac{10}{13}\\cos(2\alpha )=cos^2(\alpha)-sin^2(\alpha)\\cos(2\alpha )=(\frac{12}{13})^2-(\frac{5}{12})^2=\frac{16511}{24336}\\cot(2\alpha)=\frac{cos(2\alpha)}{sin(2\alpha)}=\frac{\frac{16511}{24336}}{\frac{10}{13}}=\frac{16511}{18720}$

8 0

3 years ago

Which inequality represents this situation? jessica is stacking items on a shelf. she has large books that weigh 5 pounds each a

Nataly_w [17]

5x+3y≤50. Letter D. is the answer.

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3 years ago

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In △ABC, m∠A=16°, m∠B=49°, and a=4. Find c to the nearest tenth. NOT A RIGHT TRIANGLE

Damm [24]

Answer:

c = 13.2

Step-by-step explanation:

* Lets explain how to solve the problem

- In Δ ABC

# Side a is opposite to ∠A

# Side b is opposite to ∠B

# Side c is opposite to ∠C

- The sine rule is:

# $\frac{a}{sinA}=\frac{b}{sinB}=\frac{c}{sinC}$

* Lets solve the problem

- In Δ ABC

∵ m∠A = 16°

∵ m∠B = 49°

∵ The sum of the measures of the interior angles of a triangle is 180°

∴ m∠A + m∠B + m∠C = 180°

∴ 16° + 49° + m∠C = 180°

∴ 65° + m∠C = 180° ⇒ subtract 65° from both sides

∴ m∠C = 115°

- Lets use the sine rule to find c

∵ a = 4 and m∠A = 16°

∵ m∠C = 115°

∵ $\frac{4}{sin(16)}=\frac{c}{sin(115)}$

- By using cross multiplication

∴ c sin(16) = 4 sin(115) ⇒ divide both sides by sin(16)

∴ $c=\frac{4(sin115)}{sin16}=13.2$

* c = 13.2

8 0

3 years ago

A shipping container holds 40 tissue boxes. The dimensions of a tissue box are 4 inches by 6 inches by 3 inches. Select the stat

Murljashka [212]

Answer:

Each tissue box has a volume of 72 cubic inches

Step-by-step explanation:

4*6*3 is 72

5 0

3 years ago