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3 years ago

What is the congruence theorem used to prove that the two triangles are congruent?

Mathematics

1 answer:

natka813 [3]3 years ago

8 0

Answer:

AAS, the two equal angles, the two right triangles, and the shared side

Step-by-step explanation:

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A circle with radius of 2cm sits inside a circle with radius of 4cm What is the area of the shaded region

Klio2033 [76]

ANSWER

$12\pi \: {cm}^{2}$

EXPLANATION

We want to find the area of the shaded region.

We find the area of the smaller circle and subtract from the area of the larger circle.

Area of smaller circle is

$a = \pi \: \times 2^{2} = 4\pi$

Area of larger circle is

$A = \pi \: \times {4}^{2} = 16\pi$

The area of the shaded region is:

$16\pi - 4\pi = 12\pi$

5 0

3 years ago

Prove that the square of an odd number is always 1 more than a multiple of 4

loris [4]

Answer:

By these examples you are able to see that the square of an odd number is always 1 more than a multiple of 4.

Step-by-step explanation:

For examples,

Let's consider squares of 3, 11, 25, 37 and 131.

${3}^{2} = 9$

8 is a multiple of 4, and 9 is more than 8.

${11}^{2} = 121$

120 is a multiple of 4 and 121 is one more than it.

${25}^{2} = 625$

624 is a multiple of 4 and 625 is one more than it.

${37}^{2} = 1369$

1368 is a multiple of 4 and 1369 is one more than 1368.

${131}^{2} = 17161$

17160 is a multiple of 4.

5 0

3 years ago

Bored anyone wanna talk? or do a zo om?

Delicious77 [7]

Answer:

ill talk

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Drove 50 km on 6 L of gasoline. Which proportion would help determine how far she can travel on a full 40 L tank of gasoline?

RoseWind [281]

Answer:

50 : 6 = x : 40 is the proportion

Step-by-step explanation:

50 : 6 = x : 40

x = 50 * 40 : 6

x = 333.33

--------------------------

check

50 : 6 = 333.33 : 40

8.33 = 8.33

The answer is good

3 0

3 years ago

Read 2 more answers

What is the solution to 6x^2 + 2x + 4 = 0?

Angelina_Jolie [31]

Step 1) Divide 6 and 4 (the last 2 numbers) and bring everything else down

6x^24x+2x+4

Step 2) Place in parentheses

(6x^24x)+(2x+4)

Step 3) Figure out what you can take out of each parentheses.

**In the first one, you can take out 6x because both numbers have x and 6 is the largest number 6 and 24 can go into.**

**In the second one, you can only take out 2 because 2 is the largest number that goes into 2 and 4.**

Step 4) You will know you did it correctly when the parentheses match up

6x(x+4) + 2(x+4) <<< this is how it should look

Answer: (6x+2)(x+4)

8 0

3 years ago