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allochka39001 [22]

3 years ago

15

Help with 1-18 all i need work If answer Ill give brainlyest I just need help please need answers fast

2 answers:

Trava [24]3 years ago

7 0

Answer:

1, 4

Step-by-step explanation:

I did this in like year 8 and I cba to do all them but what u do is u go to the origin and count how many boxes there are to the point e.g A and the count them to the whatever the degree is e.g 90 but. 1, 4 would be the answer to the first one if its done how its meant to be but I don't know why they made it like that cause I did it differently. I'm just waff ling but yh.

Minchanka [31]3 years ago

6 0

If this is on Big Ideas I would use Slader, they have all the answers

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What is the value of X? What is the measure of angle ABC?

gizmo_the_mogwai [7]

Answer:

x=14

Step-by-step explanation:

create an equation out of it. 4x+2x-6=90. Or 6x=84

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Write as a mathematical expression he product of 5 and x

Vaselesa [24]

The answer to the question

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3 years ago

Find the length of AB. Leave

vovikov84 [41]

Answer:

<em>AB = 3π</em>

Step-by-step explanation:

<em>See attachment for correct format of question.</em>

Given

From the attachment, we have that

θ = 20°

Radius, r = 27

Required

Find length of AB

AB is an arc and it's length can be calculated using arc length formula.

$Length = \frac{\theta}{360} * 2\pi r$

<em>Substitute 20 for θ and 27 for r</em>

$Length = \frac{20}{360} * 2\pi *27$

$Length = \frac{20 * 2\pi * 27}{360}$

$Length = \frac{1080 \pi}{360}$

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4 years ago

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VashaNatasha [74]

Answer:

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3 years ago

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Suppose ABCD is a rhombus with AB = 12 inches. The midpoints of its sides are joined to form a quadrilateral. What type of quadr

MrRissso [65]

Answer:

A rectangle

Step-by-step explanation:

The given parameters are;

The quadrilateral ABCD is a rhombus;

The length of the sides of the rhombus = 12 inches

The lengths of the sides of a rhombus are equal

The opposite interior angles of the rhombus are equal

The length of each midpoint from the vertex = 12 in./2 = 6 in.

Therefore, we have;

The line joining the midpoints form a quadrilateral with the length of the opposite sides equal

The sum of the interior angles of the rhombus = 180°

From the diagram created with Microsoft Visio, we have;

4·a + 4·b + 360 = 4 × 180 = 360 + 360

4·a + 4·b = 360

a + b = 90°

We have;

The interior angles of the quadrilateral formed = x

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∴ x = 180° - (a + b) = 180° - 90° = 90°

x = 90°

Therefore, the interior angles of the quadrilateral formed = 90°

The quadrilateral formed having equal opposite sides, and all interior angle of 90° each is a rectangle

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3 years ago