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3 years ago

6

Explain the three things that make similar figures similar to each other. (what are the three attributes of similar figures. hin

t- the PowerPoint tells you the answer, please write in complete sentences)

1 answer:

4vir4ik [10]3 years ago

8 0

Angles, proportional sides, and scale factor

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Roger is x centimeters tall and Olivia is y centimeters tall. Their oldest sister, Isabella, is 25 centimeters shorter than the

Evgen [1.6K]

Answer: 2(x+y)-25

Step-by-step explanation:

First, we need to show the sum of Roger and Olivia's heights. If Roger is x and Olivia is y, the sum is <em>x+y</em>

Next, we need to double that. To double something we multiply it by 2. Since we need double the expression we found above, we put it in parentheses. So the doubled sum is shown as <em>2(x+y)</em>

Finally, we need to show that Isabella is 25 centimeters shorter than the doubled sum. To do that, subtract 25.

The final expression for Isabella's height is 2(x+y)-25

8 0

4 years ago

Suppose that you are headed toward a plateau 20 m high. If angle of elevation to the top is 10°, how far are you from the base o

SCORPION-xisa [38]

Answer:

Step-by-step explanation:

7 0

3 years ago

Find the midpoint of the segment with the given endpoints (5,-9) and (-2,-2)

QveST [7]

Another way to solve this is to use the Midpoint Formula. The midpoint of a segment joining points $(x_1,y_1)$ and $(x_2,y_2)$ is

$\left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2} \right)$

So the midpoint of your segment is

$\left(\frac{5+(-2)}{2},\frac{-9+(-2)}{2}\right) = \left(\frac{3}{2},-\frac{11}{2} \right)$

Perhaps it helps to see that the x-coordinate of the midpoint is just the average of the x-coordinates of the points. Ditto for the y-coordinate of the midpoint; just average the y's.

6 0

3 years ago

A rely race is 1/4 mile long and is run by 4-member teams. If each team member runs the same distance, what fraction of a mile d

NikAS [45]

0.0625

1/4 of a mile is 0.25
0.25 divided by 4 = 0.0625 each

8 0

3 years ago

Read 2 more answers

Calculate the area of this trapezium.<br> 7.9 cm<br> 6.2 cm<br> 10.8 cm

cestrela7 [59]

Answer:

A = 57.97 cm²

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = $\frac{1}{2}$ h (a + b)

where h is the perpendicular height and a, b the parallel bases

Here h = 6.2, a = 10.8 and b = 7.9, thus

A = $\frac{1}{2}$ × 6.2 × (10.8 + 7.9) = 3.1 × 18.7 = 57.97 cm²

5 0

3 years ago