Asked by MARLYN
The size of a laptop monitor is usually measured along the diagonal. A rectangular monitor is 12 inches long and 7 inches tall.
What is the length of the diagonal of this monitor, to the nearest tenth of an inch?
**do i just multiply them**
What is the length of the diagonal of this monitor, to the nearest tenth of an inch?
**do i just multiply them**
Answers
Answered by
Ms. Sue
No. This is like finding the hypotenuse of a right triangle.
a^2 + b^2 = c^2
7^2 + 12^2 = c^2
a^2 + b^2 = c^2
7^2 + 12^2 = c^2
Answered by
Damon
NO!!!
hypotenuse
sqrt(12^2+7^2)
= sqrt(144+49)
hypotenuse
sqrt(12^2+7^2)
= sqrt(144+49)
Answered by
MARLYN
i got 14 is this correct
Answered by
Ms. Sue
That's the nearest whole number. The length is close to 13.9
Answered by
Damon
close. I get 13.89244399
which to the nearest tenth as requested is
13.9 inches
which to the nearest tenth as requested is
13.9 inches
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