Answer:
hmm been a long time since I've done this
I think number 2 is 49 and number 1 is 15.9
2) 14.7
3) 50
Step-by-step explanation:
2.
21² = 441
15² = 225
441 - 225 = 216
√216 = 14.69 (rounds to 14.7)
3.
14² + 48² = 2500
√2500 = 50
Pythagoras Theorem lol
