2 answers
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1/2*20<20
10x<20
x-2
The sign can be no more than 2 ft. high.
10x<20
x-2
The sign can be no more than 2 ft. high.
Area = (1/2) * base * height
In this case, the base of the sign is given as 20 feet, and the maximum area allowed is 20 square feet. So, we can write the inequality equation as:
(1/2) * 20 * height ≤ 20
To solve for the maximum height, we can rearrange the equation:
10 * height ≤ 20
Now, we can isolate the height by dividing both sides of the inequality by 10:
height ≤ 2
Therefore, the maximum height of the triangular sign must be 2 feet.