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3 years ago

WHAT VAULE MAKES THE TRIANGLE SIMILAR A.1.5 B.5 c .6 d .9

Mathematics

1 answer:

alukav5142 [94]3 years ago

3 0

C.6 is your answer. half of 4 is 2, and your smaller triangle is 2 and 3, half of 6 is 3.

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What type of number is

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Answer:

A) rational number

Step-by-step explanation:

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3 years ago

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3 years ago

...im failing please

Taya2010 [7]

Answer:

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Step-by-step explanation:

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I hope this helps :)

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2 years ago

If a yard is 3 feet long, how many inches are in a yard?

Anna [14]

36 inches is in a yard !

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3 years ago

Find the area of the triangle with vertices: q(3,-4,-5), r(4,-1,-4), s(3,-5,-6).

maw [93]

Answer:

(√6)/2 square units

Step-by-step explanation:

The area of a triangle is half the magnitude of the cross product of the vectors representing adjacent sides.

QR = (4-3, -1-(-4), -4-(-5)) = (1, 3, 1)

QS = (3 -3, -5-(-4), -6-(-5)) = (0, -1, -1)

The cross product is the determinant ...

$\text{det}\left|\begin{array}{ccc}i&j&k\\1&3&1\\0&-1&-1\end{array}\right|=-2i+j-k$

The magnitude of this is ...

|QR × QS| = √((-2)² +1² +(-1)²) = √6

The area of the triangle is half this value:

Area = (1/2)√6 . . . . square units

3 0

3 years ago