Question

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Answer 1

Answer

the triangle on the bottom left has the greatest area

Step-by-step explanation

first one has an area of 24.5

second one has an area of 19.6

the third one has an area of 27.6 (greatest area)

19.6>24.5>27.6

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Answer 2

Answer:

The equilateral triangle sail has the greatest area.

Step-by-step explanation:

The area of a triangle is defined by

$A=\frac{1}{2} bh$

Where $b$ is the base and $h$ is the height of the triangle.

Notice that we have a scalene triangle, an isosceles triangle and an equilateral triangle.

Scalene triangle area.

$A_{scalene} =\frac{1}{2} (10)(4.9)=24.5ft^{2}$

Isosceles triangle area.

$A_{isosceles} =\frac{1}{2} (4)(9.8)=19.6 ft^{2}$

Equilateral triangle area.

$A_{equilateral} =\frac{1}{2} (8)(6.9)=27.6ft^{2}$

Therefore, the equilateral triangle sail has the greatest area.