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3 years ago

Three of the angles of a quadrilateral are 120° 48° and 92° what is the size of the fourth angle

2 answers:

7 0

Hi there! A quadrilateral has angles that add up to 360°. So we have the measurements of the first three angles. We will look for the 4th angle by solving. Let's add the totals of the first 3 angles. 120 + 48 + 92 is 260. Now, we subtract that number from 360. 360 - 260 is 100. There. The measurement of the fourth angle is 100°.

Komok [63]3 years ago

6 0

360-120-48-92=100°

Each quadrilateral has 360° so simply deduct the angles to get your result.

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Step-by-step explanation:

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4 years ago

Read 2 more answers

Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.

lesya692 [45]

x-intercept is (2,0)

y-intercept is (0,-5)

Step-by-step explanation:

Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.

Finding x-intercept

X-intercept: Substitute 0 for y and then solve for x. Write your answer in the form (__, 0)

Putting y=0

$5x-2y=10\\5x-2(0)=10\\5x=10\\x=10/5\\x=2$

So, x-intercept is (2,0)

Finding y-intercept

Y-intercept: Substitute 0 for x and then solve for y. Write your answer in the form (0, __)

Putting x=0

$5x-2y=10\\5(0)-2y=10\\-2y=10\\y=10/-2\\y=-5$

So, y-intercept is (0,-5)

Keywords: Solving Equations

Learn more about solving equations at:

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4 years ago