Check the picture below
it can't be -3... since is width unit, so it has to be the other
and recall that length = 2w - 5
it can't be -3... since is width unit, so it has to be the other
and recall that length = 2w - 5
Pls can you help me here PLSSSS. it would mean a lot for me.
1 answer:
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Answer:
118.3 m²
Step-by-step explanation:
Step 1. Calculate the <em>semiperimeter</em> (s).
s = (p + q + r)/2
s = (17 + 18+ 15)/2
s = 50/2
s = 25 m
===============
Step 2. Calculate the <em>area</em> (A).
Use <em>Heron’s formula</em>:
A = 118.3 m²