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natka813 [3]
3 years ago
14

Find the scale factor A. 3.5 B. 3/5 C. 35

Mathematics
1 answer:
Serhud [2]3 years ago
4 0

Answer:

3.5

Step-by-step explanation:

35/10 = 3.5

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Which of the following are exterior angles? Check all that apply.
Helen [10]

An exterior angle of a triangle is an angle formed by one side of the triangle and the extension of an adjacent side of the triangle.

FACTS:

  • Every triangle has 6 exterior angles, two at each vertex.
  • Notice that the "outside" angles that are "vertical" to the angles inside the triangle are NOT called exterior angles of a triangle.

1. Angles 1, 5 and 6 are inteior angles of the given triangle.

2. Angle 3 is vertical to the interior angle 5.

3. Angles 2 and 4 are exterior angles of the triangle.

Answer: correct options are A and B.

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3 years ago
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5(3 − x) − 4(2 − 3x) > 4
zepelin [54]

Answer:

  x > -3/7

Step-by-step explanation:

Eliminate parentheses, collect terms, and subtract the constant on the left.

  5(3 -x) -4(2 -3x) > 4

  15 -5x -8 +12x > 4

  7x +7 > 4

  7x > -3

  x > -3/7 . . . . . divide by the coefficient of x

7 0
3 years ago
A triangle has angle measures of 18° and 57°. What is the measure of the third angle?
Pachacha [2.7K]

Answer:

105°

Step-by-step explanation:

Measure of the third angle

= 180° - 18° - 57° (angle sum of triangle)

= 105°

5 0
2 years ago
On a piece of paper, use a protractor to construct right triangle ABC with AB=3 in. , m∠A=90° , and m∠B=45° .
n200080 [17]

Option A: $A C=3 \ in is true about the triangle.

Explanation:

The measurements of the right triangle ABC is A B=3 \ in , m \angle A=90^{\circ} and \mathrm{m} \angle{B}=45^{\circ}

The image of the triangle having these measurements is attached below:

Option A: $A C=3 \ in

Using Pythagorean theorem, we have,

tan \ 45^{\circ}= \frac{AC}{3}

   1\times 3= AC

         3=AC

Thus, the length of AC is $A C=3 \ in

Therefore, Option A is true about the triangle.

Hence, Option A is the correct answer.

Option B: $B C=3\ in

Using Pythagorean theorem, we have,

cos \ 45^{\circ}=\frac{3}{BC}

     BC=\frac{3}{cos \ 45^{\circ}}

     BC=\frac{3}{0.707}

     BC=4.24

Thus, the length of BC is BC=4.24 \ in

Therefore, Option B is not true about the triangle.

Hence, Option B is not the correct answer.

Option C: $B C=6\ in

Using Pythagorean theorem, we have,

cos \ 45^{\circ}=\frac{3}{BC}

     BC=\frac{3}{cos \ 45^{\circ}}

     BC=\frac{3}{0.707}

     BC=4.24

Thus, the length of BC is BC=4.24 \ in

Therefore, Option C is not true about the triangle.

Hence, Option C is not the correct answer.

Option D: $A C=6\ in

Using Pythagorean theorem, we have,

tan \ 45^{\circ}= \frac{AC}{3}

   1\times 3= AC

         3=AC

Thus, the length of AC is $A C=3 \ in

Therefore, Option D is not true about the triangle.

Hence, Option D is not the correct answer.

3 0
4 years ago
Need help FAST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
vova2212 [387]

Answer:

Right angle 90 degrees is always going to be a right angle.

Step-by-step explanation:

8 0
3 years ago
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