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daser333 [38]
3 years ago
15

The points A,B,C and D lie in a straight line.

Mathematics
1 answer:
sattari [20]3 years ago
5 0
If we had AB: BC: CD, we could easily have solved that problem. In order to combine these ratios, we need to have the same number for BC. We can create this number by finding LCM (Least Common Multiple) for 5 and 3, which is 15. Then, we can write ratios of AB:BC = 6:15 and BC:CD=15:20. Now, we can easily combine these ratios. AB:BC:CD = 6:15:20. Then, 6k+15k+20k = 82 and k=2 cm. And BC = 30 cm
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Whats the second smallest number that has 1,2,3,4,5 as factors and its special name for it?
denis23 [38]
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Vikki [24]
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7 0
3 years ago
What is the measure of angle F in degrees when H is 127degrees and G is 33.5 degrees?
irina1246 [14]

Answer:

19.5

Step-by-step explanation:

Here is a key factors in triangles, it must add up to 180 degrees.

You have three angles in a triangle ABC,

A = 127

B = 33.5

C = ?

In this case you would add the two together (160.5) and subtract from 180 giving you the angle C = 19.5

CHECK:

Add 127+33.5+19.5 = 180! Yes!

PLs mark brainliest if you can! :)

4 0
3 years ago
Helppp which one is it pleasee
solong [7]

Answer:

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4 0
3 years ago
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