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3 years ago

How do you find the value of equal angles y and x?

Mathematics

2 answers:

grin007 [14]3 years ago

7 0

Because we know the triangles are similar and the angle of D = angle of A, that means that the angle of B = angle of E and angle of C = angle of F. Therefore, angle of C = 78 degrees and angle of E = 64 degrees. The angles of a triangle sum to 180 degrees, so we have the equation: x + 64 + 78 = 180. Solving for x gives you x = 38 degrees, which is the same as angle y.

Butoxors [25]3 years ago

3 0

They are similar
So
B = E
C = F
x° = y°

x = y = 180° - 64° - 78° = 38°

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Answer:

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Step-by-step explanation:

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<u>Where</u>:

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By entering equation (2) into (1) and solving for t, we have:

$t = \frac{t_{1/2}*ln(N_{t}/N_{0})}{ln(2)} = \frac{5730*ln(0.79)}{ln(2)} = 1948.6 y$

Therefore, the time of the scrolls estimated by the archeologists is right, since the time calculated using the exponential decay equation is 1948.6 years.

I hope it helps you!

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