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2 years ago

Is upside down triangle also polygon

Mathematics

2 answers:

Stolb23 [73]2 years ago

8 0

Yes because its is the same thing with a different view

Alex Ar [27]2 years ago

3 0

An upside-down triangle is a polygon. A polygon is a figure with at least three straight sides or angles. A triangle has three sides, so it would be classified as a polygon.

Your question asks if an upside-down triangle is a polygon. It is, because it is just upside-down, it is still a triangle. The placement of the shape or the way the shape is facing does not effect it's classification as a polygon.

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Two scuba divers, Jim and Tara, are 20m apart below the surface of the water. They both spot a shark that is below them. The ang

LenaWriter [7]

Answer:

Jim is 12.87 meters away from the shark.

Step-by-step explanation:

We are given that,

Distance between Jim and Tara = 20 meters.

The angle of depression of the shark from Jim and Tara is 47° and 40° respectively as shown in the figure below.

So, the third angle of the triangle formed is given by,

47° + 40° + ∠S = 180°

i.e. ∠S = 180° - 87°

i.e. ∠S =93°

So, now using the sine ratio formula, we have,

$\frac{20}{\sin 93}=\frac{x}{\sin 40}$

i.e. $x=\frac{20\times 0.6428}{0.9986}$

i.e. $x=\frac{12.856}{0.9986}$

i.e. x = 12.87 meters

Thus, Jim is 12.87 meters away from the shark.

4 0

2 years ago

What is the value of the expression (3/4)³ 81/256 27/64 9/12 27/4

anzhelika [568]

Answer:

9/12

Step-by-step explanation:

6 0

1 year ago

Read 2 more answers

Tanya is training a turtle for a race. For every 1/2 of an hour that the turtle is crawling, he can travel 3/20 of a mile. At wh

vazorg [7]

Answer:

$\frac{6}{20} \ mile\ per\ hour$

Step-by-step explanation:

Given:

For every 1/2 of an hour that the turtle is crawling, he can travel 3/20 of a mile

Question asked:

At what unit rate is the turtle crawling?

Solution:

As here time taken is given and the distance traveled is also given and hence we will apply speed and distance formula to find rate of crawling of turtle.

Time taken by turtle = $\frac{1}{2} \ hour$