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lbvjy [14]
3 years ago
5

Find the measure of ∠X

Mathematics
1 answer:
AVprozaik [17]3 years ago
3 0

Answer:

  • 7) 65°
  • 8) 25°

Step-by-step explanation:

<u>Question 7</u>

Angle formed by 2 chords is half of the sum of the intercepted arcs

  • x = 1/2(72° + 58°) = 1/2(130°) = 65°

<u>Question 8</u>

Angle formed by 2 secants is half of the difference of the intercepted arcs

  • x = 1/2(360° - (130° + 98° + 41°) - 41°) = 1/2(50°) = 25°
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melamori03 [73]

Answer:

I think the answer is D

Step-by-step explanation:

SOHCAHTOA

sin- Opposite and hypotenuses

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DE is opposite and DF is hypotenuses

7 0
3 years ago
Which of the following sets of lengths can be used to form the sides of a triangle? Explain your reasoning.
Bad White [126]

Answer:A can be use to form a triangle.

Step-by-step explanation:

a+b>C

5+18 >20

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3 years ago
Find the surface area of the triangular prism.<br><br> 15.6 cm<br> 10 cm<br> 11 cm<br> 12 cm
dimulka [17.4K]

Answer:

533.6cm²

Step-by-step explanation:

Hello!

I'm here to answer your question!

<u>Area of each triangular base:</u>

\frac{1}{2}(12)(10)=60

<u />

<u>Area of the rectangular faces:</u>

12\times 11 =132

15.6\times 11=171.6

10\times 11=110

<u>Add to find the surface area:</u>

60+60+132+171.6+110=533.6

Thus, the surface area of the triangular prism is = 533.6 yd²

Hope this helps you!

Hugs from,

Josh

6 0
3 years ago
Read 2 more answers
(a^2- 8a- 26) / (a + 2) simplified
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Answer:

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Step-by-step explanation:

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