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gogolik [260]
2 years ago
7

Please help me with this because i don’t understand stand this

Mathematics
2 answers:
Tamiku [17]2 years ago
5 0

Note: complementary angles are two angles whose sum is 90⁰

DENIUS [597]2 years ago
4 0

Answer:

52 degrees

Step-by-step explanation:

Complementary angles have a sum of 90. This means when added they will equal 90. So to solve had the 2 expressions and set them equal to 90.

This looks like, (2x+18)+(6x-8)=90. Then, isolate the variable and solve.

  • Remove the parentheses

2x +18 +6x -8 =90

  • Add like terms

8x +10 =90

  • Subtract 10 from both sides

8x = 80

  • Divide both sides by 8

x=10

Finally, plug 10 in for x in the expression for angle b. This equals 52 degrees.

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