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Mice21 [21]
3 years ago
7

I suck a writing proofs in geometry.... please someone explain it to me, i cant seem to reconize what's going on. I need major h

elp in properties of congruent proofs.
Mathematics
1 answer:
Rashid [163]3 years ago
3 0
Congruence Properties

In earlier mathematics courses, you have learned concepts like the commutative or associative properties. These concepts help you solve many types of mathematics problems. There are a few properties relating to congruence that will help you solve geometry problems as well. These are especially useful in two-column proofs, which you will learn later in this lesson!

The Reflexive Property of Congruence

The reflexive property of congruence states that any shape is congruent to itself. This may seem obvious, but in a geometric proof, you need to identify every possibility to help you solve a problem. If two triangles share a line segment, you can prove congruence by the reflexive property.

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A parallelogram has a base 4.5 mi and height 4.9 mi. what is the area?​
Paul [167]

Answer:

22.05 mi.²

Step-by-step explanation:

A = bh

A = (4.5 mi)(4.9 mi)

A = 22.05 mi.²

7 0
2 years ago
Solve for a<br> 1/4 (20 - 4a) = 6- a<br> G. No Solution<br> H. All Real Numbers<br> I. -6<br> J. -6
Margaret [11]

Answer:

THE EQUATION HAS NO SOLUTION!

Step-by-step explanation:

Simplify   1/4  ,   (1/4 • (20 - 4a)) -  (6 - a)  = 0 ,    3.1     Pull out like factors :          20 - 4a  =   -4 • (a - 5) ,     (5 - a) -  (6 - a)  = 0 ,    -1  = 0 ,    5.1      Solve :    -1   =  0,   THERES NO SOLUTION MATE TRUST ME!

4 0
2 years ago
Given m n, find the value of x and y.
KATRIN_1 [288]

Answer:

X= 38°

Y = 142°

Step-by-step explanation:

let the angle vertically opposite to 142° = w

therefore, w= 142° ( vertically opposite angles are equal)

hence,x+ w =180° ( two interior angles sum up to 180°)

x+ 142° = 180°

x= 180 - 142 = 48°

X = 38°

then calculating for Y

X + Y = 180° ( angles on a straight line sum up to 180°)

38+Y = 180

Y = 180- 38

Y = 142°

<h2>we're done here...</h2><h2>please don't forget to rate and mark brainliest!!!</h2>
4 0
1 year ago
Solve |x| + 7 &lt; 4.
Kobotan [32]

Answer: ur inbox in y=my+b form

Step-by-step explanation:

5 0
3 years ago
Which expression does not belong? <br><br><br><br> (2c−d)(2c−d) (2c+d)(2c−d) (2c+d)(2c+d) (c+d)(c+d)
zlopas [31]

Answer:

It could be any of them.

Step-by-step explanation:

First off, It could be said that (2c-d)(2c-d) doesn't belong because it includes two subtractions signs and none of the others do.

Secondly, It could be said that (2c+d)(2c-d) doesn't belong because it includes one subtraction sign and one addition sign and none of the others do.

Thirdly, It could be said that (2c+d)(2c+d) doesn't belong because it includes two addition signs, and none of the others do.

Finally, it could be said that (c+d)(c+d) doesn't belong because it doesn't have a multiplying factor of 2 within the parentheses.

I hope this helps :)

4 0
3 years ago
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