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Brrunno [24]
3 years ago
7

Find the missing angle measurements ??

Mathematics
1 answer:
Crazy boy [7]3 years ago
5 0

Answer: Bottom row = 55°, 75°, and 56°

               Top angle = 79°

<u>Step-by-step explanation:</u>

Use the Triangle Sum Theorem, which states that the sum of the angles of a triangle equal 180°.

I am going to evaluate the 3 small triangles on the bottom and then the big triangle:

<u>Bottom Left Triangle</u>

45 + 80 + ? = 180

      125 + ? = 180

                ? = 55

<u>Bottom Center Triangle</u>

54 + 51 + ? = 180

     105 + ? = 180

               ? = 75

<u>Bottom Right Triangle</u>

50 + 74 + ? = 180

      124 + ? = 180

               ? = 56

<u>Big Triangle</u>

56 + 45 + ? = 180     <em>56 was calculated from the bottom right triangle</em>

       101 + ? = 180

                ? = 79

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