Can someone help me with part b on this question please?
![Can someone help me with part b on this question please class=](https://us-static.z-dn.net/files/d66/ee5694934c78666684f541eeee38e597.png)
9514 1404 393
Answer:
12.0 cm
Step-by-step explanation:
The Pythagorean theorem applies:
(12 cm)² +b² = (17 cm)²
b² = (289 -144) cm² = 145 cm²
b = √145 cm ≈ 12.04 cm
b ≈ 12.0 cm . . . . rounded to 1 decimal place