Math Problem Statement
The coordinate grid shows an equilateral triangle that fits inside a square.
GM0203_PRT_035A-72dpi.png
a. Find the area of the square. Show your work.
s = , so A = 2 = units2
b. Find the area of the triangle. Show your work.
b = , h=3⎯⎯√, so A=12( )(3⎯⎯√)=3⎯⎯√ units2.
Part B Select the correct choices to complete the sentence. c. Find the area of the square that is not covered by the triangle. Select an exact value and then round to the nearest tenth. Justify your reasoning.
The area not covered by the triangle is 1 of 5. Select Choice the area of the square 2 of 5. Select Choice the area of the triangle. So, A 3 of 5. Select Choice ( 16 4 of 5. Select Choice 3⎯⎯√) units2 or about 5 of 5. Select Choice units2.
Solution
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Math Problem Analysis
Mathematical Concepts
Geometry
Area Calculation
Formulas
Area of a square: A = s^2
Area of an equilateral triangle: A = (s^2 * sqrt(3)) / 4
Theorems
Properties of equilateral triangles
Suitable Grade Level
Grades 7-9
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