3 years ago

What is a right angle? plz explain in own words!

Mathematics

2 answers:

Zinaida [17]3 years ago

8 0

A right angle measure 90°, so like the angle would look like: L, the corner of the L

goldfiish [28.3K]3 years ago

4 0

A right angle is a 90* turn or a 90* fold.

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G. 18 yards

Step-by-step explanation:

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3 years ago

A street light is mounted at the top of a 15-ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 4 ft/s along

mina [271]

Answer:

The tip of the man shadow moves at the rate of $\frac{20}{3} ft.sec$

Step-by-step explanation:

Let's draw a figure that describes the given situation.

Let "x" be the distance between the man and the pole and "y" be distance between the pole and man's shadows tip point.

Here it forms two similar triangles.

Let's find the distance "y" using proportion.

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We need to find rate of change of the shadow. So we need to differentiate y with respect to the time (t).

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Here the distance between the man and the pole 45 ft does not need because we asked to find the how fast the shadow of the man moves.

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3 years ago

Are the following ratios proportional? 5:8 and 25:40 a) Yes b) No

Alenkasestr [34]

Answer:

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Step-by-step explanation:

5 times 5 is 25

8 times 5 is 40

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2 years ago