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2 years ago

Some traffic signs are in the shape of polygons. A stop sign is in the shape of which polygon?

Mathematics

2 answers:

MA_775_DIABLO [31]2 years ago

6 0

A stop sign has 8 sides and 8 interior angles.

An 8 sided polygon is called an octagon.

Nady [450]2 years ago

4 0

Answer:

idrk if this is the answer u are looking for for but the poygon is an octagon

Step-by-step explanation:

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Given: ABCD is a quadrilateral, BC║AD, m∠ A = 90°

Lina20 [59]

Answer:

Rearrange the equations that result from use of the Pythagorean theorem.

Step-by-step explanation:

Transversal AB crossing parallel lines AD and BC makes supplementary interior same-side angles A and B. Since A = 90°, B must be 90°. The Pythagorean theorem then applies in the right triangles ABC and ABD.

We can use that theorem to write two expressions for AB^2:

BD^2 -AD^2 = AB^2 = AC^2 -BC^2

The middle expression, AB^2, isn't needed beyond this point. Adding (AD^2 -AC^2) to both sides of the equation gives the desired result:

BD^2 -AC^2 = AD^2 -BC^2

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3 years ago

James has 2 marbles. His friend gives him 3 marbles. which two doubles facts can you use to find out how many marbles James has

timofeeve [1]

You could add 2+3=5thats so easy

3 0

3 years ago

Factor the gcf -5k^2+20k-30

Degger [83]

Everything is divisible by five, so pull out five

5(-k^2+4k-6)

8 0

3 years ago

In the diagram AB is parallel to CD. What is the value of X

aivan3 [116]

Answer:

B) 120

Step-by-step explanation:

6 0

3 years ago

It takes 32 hours for a motorboat moving downriver to get from pier A to pier B. The return journey takes 48 hours. How long doe

lina2011 [118]

Answer:

Time taken by the un powered raft to cover this distance is T = 192.12 hr

Step-by-step explanation:

Let speed of boat = u $\frac{km}{hr}$

Speed of current = v $\frac{km}{hr}$

Let distance between A & B = 100 km

Time taken in downstream = 32 hours

$32 = \frac{100}{u +v}$

$u + v = \frac{100}{32}$

u + v = 3.125 ------ (1)

Time taken in upstream = 48 hours

$48 = \frac{100}{u -v}$

$u -v = \frac{100}{48}$

u - v = 2.084 ------- (2)

By solving equation (1) & (2)

u = 2.6045 $\frac{km}{hr}$

v = 0.5205 $\frac{km}{hr}$

Now the time taken by the un powered raft to cover this distance

$T = \frac{100}{v}$

Because un powered raft travel with the speed of the current.

$T = \frac{100}{0.5205}$

T = 192.12 hr

Therefore the time taken by the un powered raft to cover this distance is

T = 192.12 hr

3 0

3 years ago

Read 2 more answers