90 degrees
3 ( square root sign) 10
10√2
Then b = ------------ = 5√2
Answer:
5√2
Step-by-step explanation:
Notice that the sine function links side b, the hypotenuse (10) and the 45° angle:
1
sin 45° = ------ = b/10
√2
Then b = 10√2 / 2 = 5√2
