SOLUTION: ∠1 and ∠2 are complementary angles. Given m∠1=12°, find m∠2. ∠1 and ∠2 are complementary angles. Given m∠1=83°, find m∠2. ∠3 and ∠4 are supplementary an

Algebra ->  Angles -> SOLUTION: ∠1 and ∠2 are complementary angles. Given m∠1=12°, find m∠2. ∠1 and ∠2 are complementary angles. Given m∠1=83°, find m∠2. ∠3 and ∠4 are supplementary an      Log On


   



Question 1153566: ∠1 and ∠2 are complementary angles. Given m∠1=12°, find m∠2.
∠1 and ∠2 are complementary angles. Given m∠1=83°, find m∠2.
∠3 and ∠4 are supplementary angles. Given m∠3=116°, find m∠4
∠3 and ∠4 are supplementary angles. Given m∠3=56°, find m∠4.


Found 2 solutions by MathLover1, ikleyn:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

complementary angles are two angles whose sum is 90°
supplementary angles are two angles whose sum is 180°
∠1 and ∠2 are complementary angles. Given m∠ 1=12°, then m∠ 2=+90-12=78°
∠1 and ∠2 are complementary angles. Given m∠ 1=83°, then m∠ 2=90-83=7°
∠3 and ∠4 are supplementary angles. Given m∠ 3=116°, then m∠+4=180-116=64°
∠3 and ∠4 are supplementary angles. Given m∠ 3=56°, then m∠ +4=180-56=124°

Answer by ikleyn(52832) About Me  (Show Source):
You can put this solution on YOUR website!
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Please DO NOT LEAVE this UNNECESSARY blank space in your post (!)

     I just reduced it (!)


On complementary and supplementary angles see the lessons
    - Angles basics
    - Solved problems on supplementary and complementary angles
in this site.

They are written specially for you.

After reading these lessons you will tackle such problems very easy on your own, without asking for the help from outside.

Consider them as your textbook,  handbook,  tutorials and  (free of charge)  home teacher.

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By the way, all these problems on supplementary/complementary angles are absolutely elementary
of the level of complexity same as 2 x 2 = 4.

Any school student, even a beginner level student, must tackle them on his or her own
without any difficulties and without asking for help from outside.

So, read my lessons and be in a good shape (!)