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19. An altitude of an equilateral triangle has length
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20. Find the altitude of an equilateral triangle if each side is 10 units long.
Find the values of x and y in each diagram.
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Find the dimensions of the rectangle.
29. The perimeter of a rhombus is 64 and one of its angles has measure [20.
Find the lengths of the diagonals.
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'd TQ = 8.
How long is the longer diagonal of the quadrilat~ral')
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17. Find the length of a diagonal of a square whose perimeter is 48.
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18. A diagonal of a square has length 8. What is the perimeter of the square')
19. An altitude of an equilateral triangle has length
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20. Find the altitude of an equilateral triangle if each side is 10 units long. dl-::: S..(J
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28. The diagonals of a rectangle are 8 units long and intersect at a 60° angle.
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29. The perimeter of a rhombus is 64 and one of its angles has measure 120
Find the lengths of the diagonals.
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