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/_1 and 
/_2 are complementary angles. If 
m/_1=(4x+7)^(@) and 
m/_2=(x+28)^(@), then find the measure of 
/_2.
Answer:

1 \angle 1 and 2 \angle 2 are complementary angles. If m1=(4x+7) \mathrm{m} \angle 1=(4 x+7)^{\circ} and m2=(x+28) \mathrm{m} \angle 2=(x+28)^{\circ} , then find the measure of 2 \angle 2 .\newlineAnswer:

Full solution

Q. 1 \angle 1 and 2 \angle 2 are complementary angles. If m1=(4x+7) \mathrm{m} \angle 1=(4 x+7)^{\circ} and m2=(x+28) \mathrm{m} \angle 2=(x+28)^{\circ} , then find the measure of 2 \angle 2 .\newlineAnswer:
  1. Set up equation: Complementary angles add up to 9090 degrees. Set up the equation using the given expressions for m/_1m/\_1 and m/_2m/\_2.m/_1+m/_2=90°m/\_1 + m/\_2 = 90°(4x+7)°+(x+28)°=90°(4x + 7)° + (x + 28)° = 90°
  2. Combine like terms: Combine like terms to solve for xx.4x+x+7+28=904x + x + 7 + 28 = 905x+35=905x + 35 = 90
  3. Isolate x term: Subtract 3535 from both sides to isolate the term with xx.\newline5x+3535=90355x + 35 - 35 = 90 - 35\newline5x=555x = 55
  4. Find value of x: Divide both sides by 55 to find the value of x.\newline5x5=555\frac{5x}{5} = \frac{55}{5}\newlinex=11x = 11
  5. Substitute xx back: Now that we have the value of xx, substitute it back into the expression for m/2m/_{2} to find the measure of /2/_{2}.
    m/2=(x+28)m/_{2} = (x + 28)^{\circ}
    m/2=(11+28)m/_{2} = (11 + 28)^{\circ}
    m/2=39m/_{2} = 39^{\circ}

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