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Andru [333]
3 years ago
6

What are the 3 possible first names for a triangle and define them?

Mathematics
2 answers:
n200080 [17]3 years ago
7 0

Answer:

There are three types of triangle based on the length of the sides: equilateral, isosceles, and scalene.       An equilateral triangle is a triangle with all three sides of equal length , corresponding to what could also be known as a "regular" triangle. This property is equivalent to two angles of the triangle being equal. An isosceles triangle therefore has both two equal sides and two equal angles. A scalene triangle is a triangle in which all three sides have different lengths. Also the angles of a scalene triangle have different measures.

Step-by-step explanation:

Jet001 [13]3 years ago
3 0

Answer:

equilateral, isosceles, and scalene

Step-by-step explanation:

equilateral triangle-the triangle has 3 same angles and sides

isosceles triangle-a triangle with 2 same sides and angles

scalene triangle- a triangle with nothing in common

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DochEvi [55]

Answer:

The measure of the indicated angle is 142°

Step-by-step explanation:

The sum of the measures of the interior angles of a polygon is

∑m = (n - 2) × 180°, where

  • n is the number of its side or its angles

In the given figure

∵ The polygon has 6 angles

∴ n = 6

→ Use the rule above to find the sum of the measures of its interior ∠s

∵ ∑m = (6 -2) × 180°

∴ ∑m = 4 × 180°

∴ ∑m = 720°

∵ The measures of its interior ∠s are (2x - 50)°, (x + 40), 80°, (x + 20)°,

   x°, 150°

→ Add them to find their sum

∴ ∑m = 2x - 50 + x + 40 + 80 + x + 20 + x + 150

→ Add the like terms in the right side

∴ ∑m = (2x + x + x + x) + (-50 + 40 + 80 + 20 + 150)

∴ ∑m = 5x + 240

→ Equate the right sides of ∑m

∵ 5x + 240 = 720

→ Subtract 240 from both sides

∴ 5x + 240 - 240 = 720 - 240

∴ 5x = 480

→ Divide both sides by 5

∴ x = 96

→ To find the indicated angle substitute x in its measure by 96

∵ The measure of the indicated angle = 2(96) - 50

∴ The measure of the indicated angle = 192 - 50

∴ The measure of the indicated angle = 142°

5 0
2 years ago
The length of two complementary angles are x and 2x+12. Find the measures of the angles.
Shtirlitz [24]

There's no such thing as the "length"of an angle. 
But we know what you're getting at.

You have said that the angles are complementary.  If two angles are
complementary, then  their sum is 90 degrees, so we can take your
two angles and write:

                       <u>x</u>  (one angle) plus <u>(2x + 12)</u> (the other one) <u>= 90 degrees

</u>
<u />                          x + 2x + 12  =  90<u>

</u>
Subtract 12 from each side:     x + 2x  =  78

Add the x's on the left side:        3x      =  78

Divide each side by  3 :                x      =  26 degrees

One angle is 'x'  =  <em>26 degrees</em>

The other one is (2x + 12) = 52+12 = <em>64 degrees</em>
4 0
3 years ago
A particular model rocket kit uses the scale 1:144. The actual rocket is 168 ft tall. How tall will the model rocket be when com
zlopas [31]

Answer:

1.16ft tall.

Step-by-step explanation:

168/144= 1.16 ft tall

or rounded to the nearest number = 1.20 ft.

7 0
2 years ago
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