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Gnom [1K]
3 years ago
15

Can somebody please help me solve question 20

Mathematics
1 answer:
grigory [225]3 years ago
4 0

Answer:

35 + 37

Step-by-step explanation:

if you try any other number like: 37 + 39 = 76 that doesn't work well because its higher that 75.

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What does x equal to in this problem<br>​
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Using the triangle, we can find the angle lengths and using those and trig ratios, find the side lengths. Lets say the top side length is "y".

Using the Law of triangles, we can find the missing angle from 180-90-70=20 deg.

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sin(70)/13=sin(20)/y

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y=15.34

Finally, we use the Pythagorean Theorem, (13)^2+(15.34)^2=x^2

x = 20.1

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