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ELEN [110]
3 years ago
7

FIRST PERSON GETS BRAINLIEST

Mathematics
2 answers:
Mars2501 [29]3 years ago
6 0

Answer:

Just took the test and the answer was 61 degrees

Step-by-step explanation:

Btw, the sum of the interior angles of a pentagon = 540 so 138 + 144 + 107 + a right angle +61 = 540 degrees

Sunny_sXe [5.5K]3 years ago
3 0
X = 61 degrees.
Find the number of degrees in a pentagon by using the following formula:
(number of sides - 2)180 = 540.
There are 540 degrees in a pentagon.
Since we know four of the angles, we can subtract them from 540 to get the fifth angle.
540-138-144-107-90 = 61

Hope this helped =)
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Triangle DEF is isosceles, angle D is the vertex angle, DE=x+7, DF=3x-1, and EF=2x+5
skad [1K]

Answer:

The three sides of isosceles triangle are DE = DF = 11 unit , and EF = 13 unit

Step-by-step explanation:

Given as :

DEF is a isosceles Triangle , with vertex D

The three sides is as

DE = x + 7

DF = 3x - 1

EF = 2x + 5

∵ DEF is an isosceles triangle then two of its sides must be equal

So , Let DE = DF

Or,     x + 7 = 3x - 1

Or,      7 + 1 = 3x - x

Or,            8 = 2x

∴               x = 4

So, The measure three sides of isosceles Triangle are :

DE = x + 7 = 4 + 7 = 11   unit  

DF = 3x - 1 = 3×(4) - 1 = 11   unit

EF = 2x + 5 = 2×(4) + 5 = 13   unit

Hence The three sides of isosceles triangle are DE = DF = 11 unit ,  and EF = 13 unit    Answer

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3 years ago
The sum of three consecutive odd integers is 17 less than four times the smallest integer. find the largest integer.
soldi70 [24.7K]

Answer:

Find three consecutive integers where their sum is 17 less than four times the smallest integer. So consider any integer -- let's call it n.

7 answers

 

·

 

1 vote:  

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Step-by-step explanation:

4 0
3 years ago
The container of orange juice held 53 cups of juice. If a serving of orange juice is ã of a cup of orange juice, to the
vekshin1

Answer:

5 servings = 265 cups of orange juices

5 servings = 318 cups of orange juices

5 servings = 795 cups of orange juices

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Step-by-step explanation:

Given:

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5 servings = 318 cups of orange juices

5 servings = 53 x 15

5 servings = 795 cups of orange juices

5 servings = 53 x 19

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Step-by-step explanation:

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