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Answer:
a + b = 90°
Step-by-step explanation:
It’s obvious that this is a right angle then
a + b = 90°
Answer:
45.00
Step-by-step explanation:
50.00-15.00= 45.00
I think you could do is 9 squared + 12 squared = x squared
the 81+144=225
and the square root of 225 is 15
lets just say the answer you are looking for is 15
