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Snezhnost [94]
3 years ago
13

!!!!Can you please help me with this problem PLZ

History
1 answer:
marin [14]3 years ago
3 0
Hi, thank you for posting your question here at Brainly.

All you have to do is add all the angles and equate to the total sum of angles for a quadrilateral.

360 = Angle Q + Angle P + Angle R + Angle S

Other relationships/equations are:
Q = 2P
R = 3b-19
S = 3b+10

Then, substituting...

360 = 2P + P + 3b - 19 + 3b + 10
360 = 3P +6b - 9
360 - 3P + 9 = 6b
6b = 369 - 3P
b = (369 - 3P)/6
b = 61.5 - 0.5P

Once you know the value of P, then you can determine the exact value of b.

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Though it is not a very reliable method as the artifacts gets shifts from place sometimes and may go deeper under the soil or come closer to the surface. Therefore, Absolute method was discovered and is used.

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i took the test

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