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Margarita [4]
3 years ago
12

Find the lengths of the missing sides in the triangle. Write your answers as integers or as decimals rounded to the nearest tent

h.

Mathematics
1 answer:
Fantom [35]3 years ago
3 0

Answer:

y = 8

x = 11.3

option 2

Step-by-step explanation:

We can recognize this right triangle as a special triangle, a 45° - 45° - 90° triangle more specifically. This triangle would be isosceles because the two base angles are both 45°. Since the triangle is isosceles, we can say that the legs are congruent, so y = 8. In a 45° - 45° - 90° triangle, the hypotenuse is √2 times the legs. To find x, we can set up the equation:

8 * √2 =x

x = 8√2 or about 11.3

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Cw 8.2 Pythagorean’s Theorem
myrzilka [38]

<u>Answer:</u>

16. x = 15

17. x = 5

18. x = 34.2

<u>Step-by-step explanation:</u>

We are given right angled triangles so using the Pythagoras Theorem to find the length of the unknown side for each triangle:

a^2=b^2+c^2

16. x = 15

x = \sqrt {9^2+12^2}

x = \sqrt {81 + 144}

x = \sqrt {225}

x = 15


17. x = 5

13^2 = x^2 + 12^2

169 = x^2 + 144

x^2 = 196 - 144

\sqrt{x^2} =\sqrt{25}

x=5


18. x = 34.2

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x=\sqrt{144+1024}

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x=34.2

3 0
3 years ago
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lbvjy [14]

Answer:i did

Step-by-step explanation:

7 0
3 years ago
Helppppp<br> Find the value of x.<br> A. 176<br> B. 128<br> C. 256<br> D. 74
RSB [31]

Answer: Choice B) 128

Explanation:

We'll add up the given arc measures and then cut the result in half to get the angle formed by the intersecting chords (that subtend the arcs in question).

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7 0
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AnnyKZ [126]
X<_ 6
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Step-by-step explanation:

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3 years ago
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