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2 years ago

Select the reason why these triangles are similar if they are not select not similar

Mathematics

2 answers:

solmaris [256]2 years ago

8 0

Answer:

not similar

Step-by-step explanation:

dezoksy [38]2 years ago

4 0

Answer:

C. SSS

Step-by-step explanation:

The triangles are similar by SSS with a scale factor of 1/4

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<1 and <2 are supplementary angles. m <1 is 4y+7, and m<2 is 9y+4. Find m<2.

Yuliya22 [10]

Okay, so supplementary angles = 180 degrees.

Starting equation : 4y + 7 + 9y + 4 = 180

Combine like terms : 13y + 11 = 180

Subtract 11 from both sides : 13y = 169

Divide 13 from both sides : y = 13

Insert y value into original m<2 equation : 9(13) + 4

Solve : 121 degrees

If you want to check your work, all you have to do is insert y value into original m<1 equation and then add both m<1 and m<2. If they equal 180, your answer is correct.

4(13) + 7 = 59

59 + 121 = 180

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3 years ago

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A 12-foot ladder leans against the wall; the base of the ladder is 2 feet away from the wall.To the nearest tenth of a foot, how

ludmilkaskok [199]

<h3>The ladder will reach a height of 11.8 feet up the wall</h3>

Solution:

The ladder, wall and base of the ladder from wall forms a right angled triangle

Length of ladder forms the hypotenuse

Length of ladder = 12 foot

base of the ladder from wall = 2 feet

To find: height of wall

By pythagoras theorem.

$c^2 = a^2+b^2$

Where,

"c" is the Length of ladder

"a" is the base of the ladder from wall

"b" is the height of wall

Substituting the values,

$12^2 = 2^2+b^2\\\\144 = 4 + b^2\\\\b^2 = 140\\\\b = \pm 11.832 \\\\Ignore\ negative\ value\\\\b \approx 11.8$

Thus, the ladder will reach a height of 11.8 feet on wall

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3 years ago

Partial quotient 34÷1562

LenaWriter [7]

Answer:

Step-by-step explanation:

Math answers to fraction 1562 divided by 34 can be calculated as follows. 1562/34 math problems division = 45.9411764706. Therefore 45.9411764706 to 2

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Step-by-step explanation:

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4 years ago

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What is 4/13 times -9

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