Free Practice Question
PS · Problem Solving
705-805
Combinations
Right triangle PQR is to be constructed in the xy-plane so that the right angle is at P and PR is parallel to the x-axis. The x and Y coordinates of P, Q and R are to be integers that satisfy the inequalities -4 ≤ x ≤ 5 and 6 ≤ y ≤ 16. How many different triangles with these properties could be constructed?
Answer Choices
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110
B
1,100
C
9,900
D
10,000
E
12,100
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Explanation
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Difficulty
705-805
Type
PS
Category