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A and B are complementary angles.  If A = 4x + 6 and B = 4x - 4, then find the measure of A.

 Mar 20, 2021

Best Answer 

 #1
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if the two angles are complementary, that means they must add up to 90 degrees.

 

so, following that, we can craft this equation:

 

4x + 6 + 4x - 4 = 90

8x + 2 = 90

8x = 88

x = 11

 

now to find the value of A, all we have to do is plug the value of x back into an original expression.

 

4(11) + 6 = 44 + 6 = 50 = A.

 

 

hope this helped! please let me know if you have any follow-up questions. :)

 Mar 20, 2021
 #1
avatar+141 
+2
Best Answer

if the two angles are complementary, that means they must add up to 90 degrees.

 

so, following that, we can craft this equation:

 

4x + 6 + 4x - 4 = 90

8x + 2 = 90

8x = 88

x = 11

 

now to find the value of A, all we have to do is plug the value of x back into an original expression.

 

4(11) + 6 = 44 + 6 = 50 = A.

 

 

hope this helped! please let me know if you have any follow-up questions. :)

idyllic Mar 20, 2021

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