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3 years ago

I need help with this question!!

Mathematics

1 answer:

Veronika [31]3 years ago

4 0

Answer:

right

Step-by-step explanation:

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Find the measure of x, then find the measure of each angle

stepladder [879]

First, you have to imagine that you cut the upper triangle. If you do that, then this is how the inner angles are added to 180°:

180° = 90° + (x/2) + (7x - 90°)

180° = x/2 + 7x

180° = x *(1/2 + 7)

180° = x*(15/2)

2/15 * 180° = x

24 = x

Angle A:

A= x/2

A = 24/2

A = 12°

Angle B:

B = 7x

B = 7*24

B = 168°

The two bottom angles are both worth 90°.

7 0

3 years ago

Are the triangles Similar? (yes or no). If yes, by what

kakasveta [241]

Answer:

The triangles are not similar

Step-by-step explanation:

we know that

If two triangles are similar, then the ratio of its corresponding sides is proportional and its corresponding angles are congruent

<em>Triangle X.Y.Z</em>

$\angle X=61^o$

$\angle Z=90^o$

$\angle Y=90^o-61^o=29^o$ ---> angle X and angle Y are complementary angles

<em>Triangle H.G.J</em>

$\angle H=90^o-34^o=56^o$ ---> angle H and angle J are complementary angles

$\angle G=90^o$

$\angle J=34^o$

X.Y.Z is a $61^o-90^o-39^o$ triangle

H.G.J is a $56^o-90^o-34^o$ triangle

The measure of its corresponding angles are not congruent

therefore

The triangles are not similar

8 0

3 years ago

Whats the percent difference of 154 and 440

Semmy [17]

This would be a percent increase, so the formula would be:

New amount - Original amount / Original amount

Replace the numbers:

440 - 154 / 440

Simplify.

286 / 440

The chance would be 0.65, or 65%.

7 0

3 years ago

A florist has 5 tulips, 15 carnations and 25 roses. If the florist wants to create identical bouquets without any leftover flowe

Aleonysh [2.5K]

5 because these numbers are all equally divisible.

6 0

3 years ago

Find the volume of the cylinder. What is the exact volume in terms of π? (diameter= 16m) Options a.) 1000pi cubic m b.) 1024pi c

Kazeer [188]

The volume for any cylinder, right or oblique, would be base x height. Even though an oblique cylinder looks quite different from a right cylinder, their volumes would be equal (given that their radius and height are equal). Think about it, the area of a parallelogram would equal the area of the rectangle if their heights and bases were the same, so that would apply for this also.

V= Bh
The base would stand for that top and bottom of the cylinder, or the circles. The volume for circle is pi x radius squared.
V = $\pi r^{2}$ h
V = $\pi$ 256 x 16
V = $\pi$ 4096 $m^{3}$

6 0

3 years ago