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Olegator [25]
3 years ago
5

A square has a perimter of 36 milimeter what is the area of the square?

Mathematics
2 answers:
telo118 [61]3 years ago
8 0

Answer:

81 mm^2.

Step-by-step explanation:

A square has 4 equal sides so each side = 36/4 = 9 millmeters long.

The area = 9^2

= 81 mm^2.

sammy [17]3 years ago
7 0

Answer:

Area is 81 mm^2

Step-by-step explanation:

A square has 4 equal sides.

let x be a side. so 4x=36

x =9

to find the area, multiply 9*9

=81

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Complete the proof proving YUZ~VWZ
iVinArrow [24]

Answer:

1. ΔXYZ is a right Δ with altitude YU.

Given

2. ΔXYZ ~ ΔYUZ

Right Triangle Altitude Similarity Theorem

3. VW || XY

Given

4. ∠VWZ ≅ ∠XYZ

Corresponding angles

5. ∠Z ≅ ∠Z

Reflexive property of congruence

6. ΔXYZ ~ ΔVWZ

AA Similarity postulate

7. ΔYUZ ~ ΔVWZ

Transitive property of similar triangles

Step-by-step explanation:

The first statement is given in the problem.  Since we know the altitude of a right triangle, we can use the Right Triangle Altitude Similarity Theorem to say that the triangles formed by the altitude are similar to each other and the original triangle.

Next, we are given in the problem statement that the lines VW and XY are parallel.  Therefore, ∠VWZ and ∠XYZ are corresponding angles, which makes them congruent.  And since ∠Z is equal to itself (by reflexive property), we can use AA similarity to say ΔXYZ and ΔVWZ are similar.

Finally, combining statements 2 and 6, we can use transitive property to say that ΔYUZ and ΔVWZ are similar.

4 0
3 years ago
The length of a rectangle is 4 more than its width. The area of the rectangle is 21m^2 . What is the measure of the width?
saw5 [17]
Make the length x+4 and the width x  and then make a formula x(x+4)=21
then u ll get x^2+4x-21=0  and then solve for x ..... the width is 3 

5 0
3 years ago
If the risk-free rate is 8 percent and the market risk premium is 2 percent, what is the required return for the market?
mariarad [96]
28 percent is the answer
3 0
3 years ago
What is the slope of the line?
galben [10]

Answer:

-8/3

Step-by-step explanation:

-8/3

you count up from when the line intercepts a secure point that would be 8

then 3 over

its negative because it points down on the right

5 0
3 years ago
(25 pts) Between which consecutive years was the decrease in the price of gold per ounce the greatest?
Masja [62]

Answer:

1975-76

Step-by-step explanation:

On this chart, the price of gold per ounce rises almost continuously, until it suddenly drops from the years 1975 to 76 by a margin of about 40 dollars. Therefore, this these are the years with the most decrease. Hope this helps!

7 0
2 years ago
Read 2 more answers
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