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MATH: AREA AND PERIMETER UNIT TEST. UNIT 6- LESSON-9.

JA'MILES DESIGNS A SIGN FOR A STORE IN THE SHAPE OF A TRIANGLE. HIS DESIGN IS 7.5 SQUARE FEET IN AREA, AND THE TRIANGLE HAS A HEIGHT 2.5 FEET. WHAT IS THE LENGH OF THE BASE OF HIS SIGN?

1. 6 FEET
2. 10 FEET
3. 3 FEET
4. 0.6 FEET

1 answer

To find the base of the triangle, we use the formula for the area of a triangle:

Area = 1/2 * base * height

Given that the area is 7.5 square feet and the height is 2.5 feet, we can plug these values in and solve for the base:

7.5 = 1/2 * base * 2.5
7.5 = 1.25 * base
base = 7.5 / 1.25
base = 6 feet

Therefore, the length of the base of Ja'miles' sign is 6 feet.

The correct answer is 1. 6 feet.
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