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3 years ago

9

Are lengh mass ton customary or metric

2 answers:

marishachu [46]3 years ago

5 0

I am pretty sure it is customary

Marianna [84]3 years ago

3 0

Length and mass aren't measures of unit. They are just what is being measured. So, they are neither customary or metric. Though, there are customary measures for length and mass, there are also metric measures for these both.

Length customary: feet
Length metric: meters

Mass customary: ounces
Mass metric: grams

These^^^ are only some examples, there are more measures of units

Though, ton is a measure of weight in the customary system of measurement

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Below represents the proof that the quadrilateral QRST is a parallelogram

<h3>How to prove that QRST is a parallelogram?</h3>

The coordinates are given as:

Q = (-1,-1)

R = (2,9)

S = (-4,5)

T = (-7,-5)

Calculate the length of each side using:

$d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}$

So, we have:

$QR = \sqrt{(-1 - 2)^2 + (-1 -9)^2} = \sqrt{109}$

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$ST = \sqrt{(-7 + 4)^2 + (-5 - 5)^2} = \sqrt{109}$

$TQ = \sqrt{(-7 + 1)^2 + (-5 + 1)^2} = \sqrt{52}$

The above computations show that opposite sides are equal.

Next, we determine the slope of each side using:

$m = \frac{y_2 -y_1}{x_2 -x_1}$

So, we have:

$QR = \frac{9 + 1}{2 + 3} = \frac{10}3$

$RS = \frac{5-9}{-4 - 2} = \frac{2}3$

$ST = \frac{5+5}{-4 + 7} = \frac{10}3$

$TQ = \frac{-5+1}{-7 + 1} = \frac{2}3$

The above computations show that opposite sides are parallel, because they have equal slope

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brainly.com/question/3050890

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