What are the missing angle measures in triangle abc? 1.4° and 88.6° 18.6° and 71.4° 35.5° and 54.5° 44.4° and 45.6°

Comments (4) on “What are the missing angle measures in triangle abc? 1.4° and 88.6° 18.6° and 71.4° 35.5° and 54.5° 44.4° and 45.6°”

1. sorry for that it won't happen again

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2. we know that

   In the right triangle ABC

   ∠[tex]A+[/tex]∠[tex]B=90[/tex] ------> by complementary angles

   so

   Step [tex]1[/tex]

   Find the measure of angle B

   we know that

   [tex]tan\ B=\frac{opposite\ side\ angle\ B}{adjacent\ side\ angle\ B}[/tex]

   in this problem

   [tex]opposite\ side\ angle\ B=7in\\ adjacent\ side\ angle\ B=5in[/tex]

   so

   [tex]tan\ B=\frac{7}{5} \\ \\ B=arc\ tan\frac{7}{5} \\ \\ B=54.5\ degrees[/tex]

   Step [tex]2[/tex]

   Find the measure of angle A

   [tex]A+B=90\\ A=90-B\\ A=90-54.5\\ A=35.5\ degrees[/tex]

   therefore

   the answer is the option

   35.5° and 54.5°

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3. C) 35.5 and 54.5 is the answer.  I solved it on paper to check the steps by steps.

   Step-by-step explanation:

   [tex]Triangle A B C is shown. Angle B C A is a right angle. The length of C B is 5 inches and the length[/tex]

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4. 35.5° and 54.5°

   solve though tangent 

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