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Natasha_Volkova [10]
3 years ago
9

How can you prove a triangle is isosceles?

Mathematics
2 answers:
tatiyna3 years ago
8 0
You can prove a triangle is isosceles by finding the amount of right angles in a triangle. A triangle containing 2 right angles is classified as isosceles.
Kobotan [32]3 years ago
5 0

Answer:

Use the distance formula to see if at least two sides are congruent.

Step-by-step explanation:

This is 100% the correct answer. I took the quiz and got this question right.

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Match each set of numbers with their least common multiple.
mylen [45]

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27, 12, and 36  = 108

22 and 4  = 44

14 and 12  = 84

25 and 8  =200

9, 8, and 7  = 504

32, 24, and 18  = 288

Step-by-step explanation: You are welcome.

5 0
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Find the cost of tiling a rectangular plot of land 300m long and 150m wide at the rate of $6 per hundred square m​
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3 0
2 years ago
Find the slope of the line that passes through (4,2) and (9,1)?
pshichka [43]

Answer:

The slope of the line is \displaystyle -\frac{1}{5}.

Step-by-step explanation:

We are given two coordinate points:

  • (4, 2)
  • (9, 1)

We are asked to find the slope of the line.

We can use the rise-over-run formula to solve for the slope of the line.

\displaystyle \text{slope} = \frac{\text{rise}}{\text{run}}\\\\\text{slope} = \frac{y_2-y_1}{x_2-x_1}

However, we firstly need to name our coordinate points.

In math, we can label our coordinates using the following label system:

(x_1, y_1), (x_2, y_2)

Therefore, we can also label our coordinates as such:

  • x_1 = 4
  • y_1 = 2
  • x_2 = 9
  • y_2 = 1

Now, we can supply these values into the formula and solve for our slope, or a better known variable, <em>m</em>.

\displaystyle m = \frac{1 - 2}{9 - 4}\\\\m = \frac{-1}{5}\\\\m = -\frac{1}{5}

Therefore, our slope is \displaystyle -\frac{1}{5}.

8 0
3 years ago
Read 2 more answers
Round each number to the nearest hundredth.
Nina [5.8K]
A. 8.75
B. 0.72
C. 9.31
D. 23.04
E. 6.98
5 0
3 years ago
Read 2 more answers
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