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Inessa05 [86]
3 years ago
10

R 0,-180 is the same rotation as R 90, 180 R 0,180 OR-90,180 R 0,90

Mathematics
1 answer:
aliya0001 [1]3 years ago
4 0

90,180 is the same as R so it is

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Substitution property of equality if y=-5 and 7x+y=11, then____. A. 7(-5) + y=11 B.7x-5=11 C.7x+5=11 D.-5+y=11
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Alex777 [14]

Answer:

  • ∠R = 56°
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  • ∠S = 34°

Step-by-step explanation:

The given triangle is a right angled triangle.

So, the angles in the triangle are :

  • 90°
  • (2x + 38)°
  • (5x - 11)°

Solving according to <u>angle sum property</u>,

Sum of all angles in a triangle is 180°

\longrightarrow 90° + (2x + 38)° + (5x - 11)° = 180°

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\longrightarrow 7x = 63°

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Angles =

\longrightarrow 2(9) + 38

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\longrightarrow 5(9) - 11

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The angles are 56°, 90° and 34°.

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3 years ago
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