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4 years ago

What is the order of rotational symmetry for a rhombus?

1 answer:

5 0

A rhombus has rotational symmetry. It is a symmetric shape that can be rotated and still appear the same. A rhombus has two-fold symmetry, meaning that is can be rotated 180 degrees and appear the same.

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a certain triangle has a perimeter of 3067 mi. the shortest side measures 71 mi less than the middle side and the longest side m

UkoKoshka [18]

Answer:

The measure of the shortest side is 851 miles

Step-by-step explanation:

Let

x ----> the measure of the shortest side

y ---> the measure of the middle side

z ---> the measure of the longest side

we know that

The perimeter of triangle is equal to

$P=x+y+z$

$P=3,067\ mi$

$3,067=x+y+z$ ----> equation A

the shortest side measures 71 mi less than the middle side

$x=y-71$ ----> equation B

the longest side measures 372 mi more the the middle side

$z=y+372$ ----> equation C

substitute equation B and equation C in equation A

$3,067=(y-71)+y+(y+372)$

solve for y

$3,067=3y+301\\3y=2,766\\y=922$

Find the value of x

$x=y-71\\x=922-71\\x=851$

therefore

The measure of the shortest side is 851 miles

6 0

3 years ago

"A number is greater than or equal to -3"

kompoz [17]

Answer:

$x \geqslant - 3$

6 0

2 years ago

Read 2 more answers

In a toy store, the ratio of the number of teddy bears to the number of dolls is 7:5. If the store has 140 teddy bears, how ma

LiRa [457]

Answer:

there would be 100

Step-by-step explanation:

140:100=70:50=7:5

7 0

3 years ago

Read 2 more answers

the cost of plastering a wall of a room having length 8m and heights 4m at 4s 15 per m² is rs 1560 . find the cost of carpeting

Virty [35]

Answer:

Here,

length = 8m

height = 4m

4s = 15 per m^2

Now,

300 per meter = 300 * 15 per m^2

= 4500 per m^2

4 0

3 years ago

Define Complementary and Supplementary Angles.

Alla [95]

Answer:

Complementary angles: the angles whose sum is 90° are called complementary angles.

Supplementary angles: the angles whose sum is 180° are called supplementary angles.

Step-by-step explanation:

hope it might help....

3 0

3 years ago