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Vesna [10]
3 years ago
6

Given: AB=BC, D is the midpoint of AB, and E is the midpoint BC. Prove: AD=BE

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
5 0

Answer:

AD=BE

Step-by-step explanation:

Because AB and BC are equal, their lengths are also equal and also it is an Isosceles triangle. Therefore the midpoint of AB or the half of AB which is either AD or DE are equal. Vice versa for BC. So AD=BE

wel3 years ago
4 0

Answer:

Using mid point theorem, A line segment joining the mid points of the two sides of the triangle, is equal to half the length of the third side.

D and E are the mid points. Hence,

DE=

2

1

AC

DE=

2

1

(6.4)

DE=3.2cm

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Dmitriy789 [7]

Answer:

an obtuse angle is greater than 90 and if you think about it 90 plus 90 equals. 180 so if you had two obtuse angles both greater than 90 you would have more than 180 degrees. so the answer for how many angles. of two are in an obtuse triangle is one right here.

6 0
4 years ago
5. Evaluate the following expression for r = 5.<br> 3r + (2-4)
den301095 [7]

Answer:

If r= 5 in 3r+(2-4)

it will beome

3(5)+(2-4)

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8 0
3 years ago
Shawn sells 36 vehicles in 4 weeks. Brett sells 56 vehicles in 7 weeks .who seeks more vehicles per week
myrzilka [38]

Answer:

Shawn

Step-by-step explanation:

We can find the amount of vehicles sold in one week by dividing the total vehicles sold by the number of weeks

Shawn:

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Brett:

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4 0
3 years ago
Read 2 more answers
Suppose a parabola has vertex (5,-3) and also passes through the point (6, 1). Write the equation of the parabola in vertex form
Alchen [17]

General form for vertex form is:

y = a(x - h)² + k

Where the vertex is the point (h, k). We know this to be (5, -3), so we can substitute the values for h and k to get:

y = a(x - 5)² - 3

We then also have another point (6, 1) that gives us an x and y. Substitute those in to leave one unknown which we can solve for:

1 = a(6 - 5)² - 3

1 = a(1)² - 3

1 = a(1) - 3

1 = a - 3

4 = a

So the equation of this parabola in vertex form is:

y = 4(x - 5)² - 3


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What is the slope of line a?<br><br><br>A. -4<br><br>B. 4<br><br>C. -1/4<br><br>D. 1/4
Papessa [141]

The answer to your problem is the third option c.

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3 years ago
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