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2 years ago

Two sides of a triangle have lengths 7 and 16. What must be true about the length of the third side

1 answer:

7 0

Well it has to be either 23 or 9 because you have to add the two smallest sides also you have to subtract them . What are the options ?

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What is the area of a rectangle with a length 3 1/4 of inches and a width of 2 1/2 inches?

qaws [65]

Answer: 8.125 square inches

Explanation/Calculation:
First, convert the fractions to decimals.
3 1/4= 3.25
2 1/2= 2.5

Now multiply 3.25*2.5
You get 8.125

7 0

2 years ago

Plz just give the eqution.

Nina [5.8K]

Answer:

16 = <u>3x</u>

Step-by-step explanation:

It is an equilateral triangle. The formula for the perimeter of an equilateral triangle is P = 3a.

3 0

2 years ago

How do you find side lengths in similar polygons?

Alecsey [184]

Answer:

Well if the two polygons are the same then <u>the the two corresponding sides is the scale factor. </u>

Hope I Helped

4 0

3 years ago

There are 260 athletes at a meeting. They each give a Valentine's Day card to everyone else. How many cards were given?

VARVARA [1.3K]

Answer:

67340

Step-by-step explanation:

4 0

2 years ago

Question 5 (12 points)

Dima020 [189]

Answer:

see attached for diagram

a) √13

b) √29

c) 4

Step-by-step explanation:

Equation of the circle: $(x + 1)^2 + (y - 3)^2 = 16$

⇒ center = (-1, 3)

⇒ radius = √16 = 4

Distance between 2 points formula:

$\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

a) let (-1, 3) = $(x_1,y_1)$

let (2, 1) = $(x_2, y_2)$

$\implies \sqrt{(2+1)^2+(1-3)^2} =\sqrt{13}$

b) let (-1, 3) = $(x_1,y_1)$

let (4, 1) = $(x_2, y_2)$

$\implies \sqrt{(4+1)^2+(1-3)^2} =\sqrt{29}$

c) let (-1, 3) = $(x_1,y_1)$

let (3, 3) = $(x_2, y_2)$

$\implies \sqrt{(3+1)^2+(3-3)^2} =4$

4 0

2 years ago

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