3 years ago

Are the triangles similar? If so, what postulate or theorem proves their similarity?

Mathematics

1 answer:

mafiozo [28]3 years ago

7 0

Answer:

SAS, two given sides are 40% longer, one angle is shared

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HACTEHA [7]

9999999999999999999999999999999999990

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3 years ago

1) 5x-2y=4. 2) 3x-5y=13 x-2y=5<br>3x+y=9

Natali [406]

$\left\{\begin{array}{ccc}5x-2y=4\\3x+y=9&/\cdot2\end{array}\right\\+\left\{\begin{array}{ccc}5x-2y=4\\6x+2y=18\end{array}\right\\----------\\.\ \ \ \ \ 11x=22\ \ \ \ /:11\\.\ \ \ \ \ \ \ x=2\\\\3\cdot2+y=9\\6+y=9\\y=9-6\\y=3\\\\Answer:x=2;\ y=3$

$\left\{\begin{array}{ccc}3x-5y=13\\x-2y=5\end{array}\right\\\left\{\begin{array}{ccc}3x-5y=13\\x=2y+5\end{array}\right\\\\substitute:\\\\3(2y+5)-5y=13\\6y+15-5y=13\\y=13-15\\y=-2\\\\x=2\cdot(-2)+5=-4+5=1\\\\Answer:x=1;\ y=-2.$

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3 years ago

I know im dumb srry but help plz....

sineoko [7]

The answer is A because 75 + 15 is 90

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3 years ago

Read 2 more answers

3. A rectangular field is 3 times as long as it is wide,

Sphinxa [80]

The answer is A please Mark as brainless

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2 years ago

Henry constructed circle A with a radius of 6 units. He then created a sector

Anni [7]

B. 90/360, because this is 1/4 from circle. It's even shown in the picture.
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3 years ago