4 years ago

[GEOMETRY TRUE OR FALSE] A quadrilateral with one right angle must be a rectangle.

Mathematics

2 answers:

Alex4 years ago

5 0

False because Rectangles have 4 right angles

Veseljchak [2.6K]4 years ago

4 0

FALSE because a quadrilateral has four right sides

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Answer:

7 hours

Step-by-step explanation:

We are given that

At sunset, the temperature=-5 degrees Fahrenheit

Each hour, temperature falling=2degrees Fahrenheit

We have to find time taken to reach the temperature -19° F.

Let x be the time time taken to reach the temperature -19° F

According to question

$-5+x(-2)=-19$

Where we taking 2 negative because temperature decreases.

$-5-2x=-19$

$-5+19=2x$

$14=2x$

$x=\frac{14}{2}$

$x=7$

Hence, it will take 7 hours for the temperature to reach -19° F.

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Which of the following best describes a regular polygon when the sum of its interior angles is 1260?

Nitella [24]

Nonagon - 9 sides

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N is the number of sides, so when you plug in 1260 for x, you get 9 for n

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Step-by-step explanation:

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