Find expert answers and community support for all your questions on IDNLearn.com. Our platform is designed to provide reliable and thorough answers to all your questions, no matter the topic.
Answer:
51.575
Step-by-step explanation:
[tex]s = \frac{9 + 12 + 17}{2} = 19[/tex]
[tex]area = \sqrt{19(19 - 17)(19 - 9)(19 - 12)} \\ = 51.575[/tex]