Question

Please help me!!!!!!!!!!!

Answer 1

90 degrees

3 ( square root sign) 10

Answer 2

10√2

Then b = ------------ = 5√2

Answer:

5√2

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