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konstantin123 [22]
3 years ago
11

What times what equals 49

Mathematics
1 answer:
Stolb23 [73]3 years ago
3 0
Seven times seven equals forty nine
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How to figure out pythagoras theorem?
Paladinen [302]

Any triangle with one angle equal to 90⁰ produces a Pythagoras triangle and the Pythagoras equation can be applied in the triangle.

<h3>What is the Pythagoras Theorem?</h3>

The Pythagoras theorem states that if a triangle is right-angled (90 degrees), then the square of the hypotenuse is equal to the sum of the squares of the other two sides.

In △ABD and △ACB,

∠A = ∠A (common)

∠ADB = ∠ABC (both are right angles)

Thus, △ABD ∼ △ACB (by AA similarity criterion)

Similarly, we can prove △BCD ∼ △ACB.

Thus △ABD ∼ △ACB,

Therefore, AD/AB = AB/AC.

We can say that AD × AC = AB².

Similarly, △BCD ∼ △ACB.

Therefore,

CD/BC = BC/AC.

We can also say that

CD × AC = BC².

Adding these 2 equations, we get

AB² + BC² = (AD × AC) + (CD × AC)

AB² + BC² =AC(AD +DC)

AB² + BC² = AC²

Hence proved

Thus, any triangle with one angle equal to 90⁰ produces a Pythagoras triangle and the Pythagoras equation can be applied in the triangle.

Learn more about Pythagoras theorem from:

brainly.com/question/343682

#SPJ1

6 0
2 years ago
Rewrite the expression without using a negative exponent.
notka56 [123]

Answer:

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Question below pls hurry it’s timed
Gala2k [10]

Answer:

40ft perimeter

Step-by-step explanation:

Hope this helps

3 0
3 years ago
Read 2 more answers
^ need help !!!!!!!!!!!!!!!!!!!!
elena-14-01-66 [18.8K]
First set up the equation to find answer: y=7-x. Then add it to the variable. 3x-1(7-x)=1. So that makes it 3x+-7+-1=1. Add like terms -7+-1=-8, so 3x+-8=1. Now to find x just switch the 8 to the other side. So you end up with 3x=9 since when you take away a number from one side you need to use the opposite value so adding 8 to -8 will cancel it out, then add it to the other, then just divide. 9/3=3, from here just substitute to find y. y=7+3. y=10. The answer is x=2 and y=5. I hope I helped!

5 0
3 years ago
Read 2 more answers
What is the measure of this angle ?
yKpoI14uk [10]
The measure of the angle is 20
4 0
3 years ago
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