Engineering Board Exam Reviewer · Triangles · medium
A triangle has sides 7, 8, and 9. Find its area using Heron's formula.
- 26.83
- 24.00
- 30.24
- 22.45
Answer
A. 26.83
Solution
s=7+8+9/2=12. Area =sqrt(12(5)(4)(3))=sqrt(720) 26.83.
More Triangles questions
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