ASAP! GIVING BRAINLIEST! Please read the question THEN answer CORRECTLY! Please do not guess Thank you!
1 answer:
Answer:
see below
Step-by-step explanation:
In "standard form" the degrees of the terms are monotonically decreasing from left to right in the expression. That is, the highest-degree term is written first, and the lowest-degree term is written last.
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If terms have more than one variable, the terms are written in lexicographical order.
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Answer:
Heptagon = 84 ft²
Octagon = 186 yd²
Triangle = 48√3 m²
Step-by-step explanation:
where:
= length of apothem
= perimeter
<u>Heptagon</u>
a = 5.0 ft
p = 33.6 ft
⇒ area = 1/2 x 5.0 x 33.6 = 84 ft²
<u>Octagon</u>
a = 7.5 yd
p = 8 x 6.2 = 49.6 yd
⇒ area = 1/2 x 7.5 x 49.6 = 186 yd²
<u>Triangle</u>
Formula for the apothem of an equilateral triangle :
where
= side length
a = 4, so:
Now we know the side length, we can calculate the perimeter (p):
p = 3 x 8√3 = 24√3
⇒ area = 1/2 x 4 x 24√3 = 48√3 m²