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3 years ago

Help me please!!!!!!

Mathematics

1 answer:

Leokris [45]3 years ago

3 0

Answer:

Both figures have a perimeter of 112 inches.

Step-by-step explanation:

Question 5:

You are given a 6-sided shape, but only 4 sides. To find the perimeter, you need to account for the lengths of the other two sides. As all the angles are right angles, the length of the top horizontal side is equal to the combined length of the bottom two horizontal sides. Similarly the length of the left vertical side is equal to the combined length of the right two vertical sides. Because of this, you actually don't need to find the lengths of the unknown sides to answer the question.

This means the perimeter is:

$P=(31 \times 2)+(25 \times 2)\\P=62+50\\P=112$

Question 6:

Exactly the same process as above. Just double the longest vertical and horizontal sides (since the sum of the corresponding shorter sides is equal). You'll notice the longest horizontal side is 31, and the longest vertical side is 25...exactly the same as the previous question.

Therefore, the perimeter will again be 112 inches.

These two questions illustrate the difference between area and perimeter. Even though the perimeter of the two shapes is the same, the area of the second shape is larger than the area of the first.

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3 years ago

Read 2 more answers

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kodGreya [7K]

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Answer:

11) C: (a, 4), (b, 3), (c, 2), (d, 1); V: (a, c), (b, d), (4, 2), (3, 1);

AI: (c, 4), (d, 3); AE: (a, 2), (b, 1); SI: (c, 3), (d, 4); SE: (a, 1), (b, 2)

12) : C: (a, y), (b, x), (c, w), (d, z); V:(a, c), (b, d), (w, y), (x, z);

AI: (b, z), (c, y); AE: (a, w), (d, x); SI: (b, y), (c, z); SE: (a, x), (d, w)

Step-by-step explanation:

This is a vocabulary question. It is intended to see if you understand the meaning of the names given to the different angle pairs in this geometry.

All of the pairs of angles filling the first 4 blanks (corresponding, vertical, alt. int., alt. ext.) are congruent pairs of angles. The pairs of angles filling the last two blanks (same-side ...) are supplementary angles (total 180°).

Corresponding angles lie in the same direction from the point of intersection. For example, the upper-left angles are corresponding.

Vertical angles are formed from opposite rays.

Alternate refers to angles on opposite sides of the transversal. (Same-side refers to angles on the same side of the transversal. Same-side angles are also called consecutive angles.)

Interior refers to angles that are between the parallel lines. Exterior refers to angles outside the parallel lines.

The figures are a bit fuzzy. We assume the angle designations are (CW around the intersection point from upper left, left group first) ...

Figure 11) {a, b, c, d}, {4, 3, 2, 1}

Figure 12) {d, c, b, a}, {z, w, x, y}

If this is not correct, you will need to make appropriate substitutions in the pairs given below.

11) Corresponding: (a, 4), (b, 3), (c, 2), (d, 1)

Vertical: (a, c), (b, d), (4, 2), (3, 1)

Alternate Interior: (c, 4), (d, 3)

Alternate Exterior: (a, 2), (b, 1)

Same-side Interior: (c, 3), (d, 4)

Same-side Exterior: (a, 1), (b, 2)

12) Corresponding: (a, y), (b, x), (c, w), (d, z)

Vertical: (a, c), (b, d), (w, y), (x, z)

Alternate Interior: (b, z), (c, y)

Alternate Exterior: (a, w), (d, x)

Same-side Interior: (b, y), (c, z)

Same-side Exterior: (a, x), (d, w)

_____

Additional comment

The vocabulary is used to cite various theorems supporting claims regarding angle relationships. In practice, when the lines are parallel, all obtuse angles related to a transversal are congruent, all acute angles are congruent, and the acute angles are supplementary to the obtuse angles. (If the angles are 90°, neither acute nor obtuse, then they are all congruent.)

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3 years ago

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