Answer:
10+2-6=6
Step-by-step explanation:
If you don’t need to use all the numbers,
10+2-6=6

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We know that
<span>The nine radii of a regular Nonagon divides into 9 congruent isosceles triangles
</span>therefore
[the area of <span>a regular nonagon]=9*[area of isosceles triangle]
</span>[area of isosceles triangle]=b*h/2------> 15*20.6/2----> 154.5 cm²
so
[the area of a regular nonagon]=9*[154.5]------> 1390.5 cm²
the answer is
1390.5 cm²
Answer: 66.6 oercent
Step-by-step explanation: Hope this helps
.503 is written as a decimal.
You move the dot left 2 times