A rectangle on a coordinate plane has vertices cap q times open paren negative 1 comma 1 close paren comma cap r times open paren 6 comma 1 close paren comma cap s times open paren 6 comma negative 8 close paren , and cap t times open paren negative 1 comma negative 8 close paren What are the dimensions of the rectangle?
Answer
A
The base is 9 and the height is 6 .
B
The base is 7 and the height is 9 .
C
The base is 6 and the height is 9 .
D
The base is 9 and the height is 7 .
Explanation
The horizontal side runs from x = −1 to x = 6, so its length is 6 − (−1) = 7 units. The vertical side runs from y = −8 to y = 1, so its length is 1 − (−8) = 9 units. Therefore, the rectangle has a base of 7 and a height of 9, which is choice B.
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