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Formula
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a² + b² = c²
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Find Diagonal
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9² + 7² = c²
c² = 81 + 49
c² = 130
c = 11 in (Nearest whole number)
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Answer: The diagonal measure 11 inches
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Answer: 12
Step-by-step explanation:
Answer:
The total area of the surface of a three-dimensional object.
Step-by-step explanation:
2x-7=29
"Seven less than" => minus 7.
"Two times <u>a number</u>" => 2x (x is the unknown number)
"is twenty-nine" => =29
Putting it all together,
-7 + 2x = 29
or
2x-7=29
(if you were wondering x is equal to 18)