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Lena [83]
3 years ago
10

How could we prove that triangleOEB is congruent to triangleOEA

Mathematics
2 answers:
VMariaS [17]3 years ago
7 0
The perpendicular bisector theorem
Rudik [331]3 years ago
3 0
If they have all the same angle measurements and is just a dilation of the original triangle. 
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An angle measures 62° more than the measure of its complementary angle. What is the
cestrela7 [59]

Answer:Let x be one of the angles.

Let (180-x) be the other angle we need.

x = (180-x) - 62

2x = 180-62

2x = 118

x = 118/2

x = 59�

180-59 = 121�

The two angles are 59� and 121�.

Step-by-step explanation:

6 0
3 years ago
Solve 2(x-2)=6 please help me
Elena L [17]
2(x-2)=6
2x-4=6
2x=6+4
2x/2=10/2
x=5
4 0
3 years ago
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ABC Insurance offers an annuity with a minimum interest rate of 4% APR for
maks197457 [2]

Answer:

I believe its recurring payment fixed annuity A.P.E.X

7 0
2 years ago
Geometry :))), please help me
amm1812

Answer:

x = -5

Step-by-step explanation:

Since these two triangles are similar, the ratio between the corresponding lengths of each triangle will be the same.

This means the ratio between one side of each triangle (e.g. AD and DC) will be the same as the ratio between a different side of each triangle (e.g. BE and BC).

So, to create an equation for the sides which contain the unknown 'x', we must first find the ratio between the two sides by using a different set of sides.

On the right side we are given 9 for AD, and 18 for DC.

9/18 = 0.5

This means that the extra length of the larger triangle from the smaller one (AD) is half the length of the smaller triangle (DC). We can use this to make an equation for x:

If AD/DC = 0.5, then BE/EC will also = 0.5

BE = x+23

EC = x+41

Therefore:

\frac{x+23}{x+41} = 0.5

Now we can solve by multiplying both sides by x+41 to eliminate the fraction:

x+23=0.5(x+41)

Now we multiply out the brackets and move the terms to different sides:

x+23=0.5x+20.5

0.5x = -2.5

x = -5

And if we substitute the -5 into the equations:

-5+23 = 18

-5 + 41 = 36

We will see that -5 does indeed give us the same ratio between the lengths:

18/36 = 0.5

Hope this helped!

4 0
3 years ago
What is the equation of a line passes thru the point (4, 2) and is perpendicular to the line whose equation is y = ×/3 - 1 ??
cupoosta [38]

Answer:

Perpendicular lines have slopes that are opposite and reciprocal. Therefore, the line we are looking for has a -3 slope.

y= -3x+b

Now, we can substitute in the point given to find the intercept.

2= -3(4)+b

2= -12+b

b=14

Finally, put in everything we've found to finish the equation.

y= -3x+14

5 0
3 years ago
Read 2 more answers
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