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alina1380 [7]
3 years ago
14

CAN SOMEONE HELP ME ?

Mathematics
2 answers:
Nataly_w [17]3 years ago
4 0

Answer:

sure ill help

Step-by-step explanation:

otez555 [7]3 years ago
3 0

Answer:

a+b=f

Step-by-step explanation:

180-f= c

180-(a+b)= c

SO

a+b= f

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Which characteristics best describe an obtuse isosceles triangle? I. One angle is greater than 90°. II. All side lengths are equ
nlexa [21]
An obtuse triangle is a triangle that has an angle greater than 90 degrees, so 1. One angle is greater than 90 degrees is correct.
8 0
3 years ago
Read 2 more answers
I need help ASAP. Thank you :)
kvasek [131]

m∠FDE = 52°

Solution:

Given data:

DE ≅ DF, CD || BE, BC || FD and m∠ABF = 116°

<em>Sum of the adjacent angles in a straight line = 180°</em>

m∠ABF + m∠CBF = 180°

116° + m∠CBF = 180°

m∠CBF = 64°

If CD || BE, then CD || BF.

Hence CD || BE and BE || FD.

Therefore BFCD is a parallelogam.

<em>In parallelogram, Adjacent angles form a linear pair.</em>

m∠CBF + m∠BFD = 180°

64° + m∠BFD = 180°

m∠BFD = 116°

<em>Sum of the adjacent angles in a straight line = 180°</em>

m∠BFD + m∠DFE = 180°

116° + m∠DFE = 180°

m∠DFE = 64°

we know that DE ≅ DF.

<em>In triangle, angles opposite to equal sides are equal.</em>

m∠DFE = m∠DEF

m∠DEF = 64°

<em>sum of all the angles of a triangle = 180°</em>

m∠DFE + m∠DEF + m∠FDE = 180°

64° + 64° + m∠FDE = 180°

m∠FDE = 52°

8 0
3 years ago
HELP ME PLEASE I NEED A LOT OF HELP
Alexxx [7]

Answer: Fair Use- number 3

Step-by-step explanation:

4 0
3 years ago
A piece of string is 3-5 m long. Joe cuts three pieces from it,
jasenka [17]

Note: <em>It seems you mean a piece of string is 3.5 long. So,  I am assuming that a piece of string is 3.5 cm long.</em>

Answer:

140 cm of the original piece is left after Joe cuts three pieces.

Step-by-step explanation:

Given the piece of string

  • 3.5m

As we know that

  • 3.5m = 350 cm

so the length of a piece of string = 350 cm

As joe cuts three pieces from it, and each 70 cm long.

so the total length of three pieces which were

cut by joe = 70cm + 70cm + 70cm = 210 cm

So, subtracting the total length of the three pieces that were cut from the total length of the string:

350 cm - 210 cm = 140 cm

Therefore, 140 cm of the original piece is left after Joe cuts three pieces from it.

8 0
3 years ago
#2 and #3 please. I'm lost
Dennis_Churaev [7]
Alternate means it will be across and on the opposite side, there for the alternate interior angle for 2 would be the same number as the function you're solving.
For example: if you're going to find the alternate interior of 17x+9, it will be 17x+9, the angle on the lower right hand side of the top parallel line.
5 0
3 years ago
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