4 years ago

Triangle ABC is shown on the coordinate plane. Shade in

Mathematics

1 answer:

AfilCa [17]4 years ago

6 0

Answer:Triangle ABC is shown on the coordinate plane. Shade in

the points that represent the vertices of triangle ABC

after a dilation using a scale factor of 2 with the center

of dilation at the origin. Then, connect the vertices A, B,

C to form the new triangle.

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Find m∠U.<br> Write your answer as an integer or as a decimal rounded to the nearest tenth.

antiseptic1488 [7]

Answer:

Answer:

50.2

Step-by-step explanation:

$ut = \sqrt{ {6}^{2} + {5}^{2} } \\ \sqrt{36 + 25} \\ \sqrt{61 } \\ using \: cosine \: rule \\ cos \: u = \frac{ {5}^{2} + 61 - 36 }{2 \times 5 \times \sqrt{61} } \\ \\ = \frac{25 + 61 - 36}{78} \\ \\ = \frac{50}{78 } \\ \cos \: u = 0.64 \\ m \:u = 50.2$