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ASHA 777 [7]
3 years ago
15

What is a equal to ?

Mathematics
2 answers:
8090 [49]3 years ago
8 0
The angle A would equal 42
Scorpion4ik [409]3 years ago
7 0
By looking at the triangle I can figure that the equation to find a would be 180=47+90. Every triangles angles = 180. 
After adding 90 and 47 together I get 137. 
180-137= 43
a should be 43 degrees.
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