Could the cross-section of a square be a triangle? Explain and draw a diagram to justify your answer.
1 answer:
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Answer:
Rational numbers
Step-by-step explanation:
Since 1.18 is a decimal number, it cannot belong to the set of integers or whole numbers.
However, also because it's a decimal number, it is rational because it can be written in the form p/q: .
Thus, 1.18 is only a rational number.
Hope this helps!
Answer:
Perimeter
Step-by-step explanation:
Let = width of the rectangle.
From the information "length of a rectangle is 5cm more than width", we can write:
Length =
- - - -
Perimeter (formula for the perimeter of a rectangle)
∴ The expression of the perimeter of the rectangle in terms of is
.
Hope this helps :)
Answer:
Step-by-step explanation:
By the geometric mean theorem,
So, by the Pythagorean theorem,
