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HACTEHA [7]
3 years ago
8

In the figure given l || m , then find the value of X.

Mathematics
2 answers:
Aleks [24]3 years ago
4 0

Answer:

42

Step-by-step explanation:

Line m and l are parallel so C and where that intersection is on the inside have the parallel lines, the angle there is an same side interior angle with C. Those add up to 180 degrees. So 180-82 is 98. Use vertical angle to find the angle in the triangle (not  x  yet; the other one).  Vertical angles are congruent so that one is 98.  

Now angles in a triangle add up to 180 degrees.

So we have 40+98=138.

The difference between 180 and 138 is 180-138=42 (that is x)

goblinko [34]3 years ago
4 0

Answer:

42

Step-by-step explanation:

The solution is in the image below.

98+82 = 180

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Answer:

The greatest number of 15 inches pieces that can be cut from 5 rolls of length 9 feet is: 35

Step-by-step explanation:

Given

Total length of one roll of ribbon = 9 feet

As the pieces have to be cut into inches, we will convert the measurement in feet to inches

As there are 12 inches in one feet, 9 feet will be equal to:

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Now first of all, we have to see how many 15 inches pieces can be cut from one role

So,

=\frac{Length\ of\ roll}{Length\ of\ piece}\\=\frac{108}{15}\\=7.2

So the seamstress can cut 7 15-inch long pieces from a roll.

Now given that he has to cut from 5 rolls, the total number of 15-inch pieces will be:

= 5 * 7 =35

Hence,

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