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malfutka [58]
3 years ago
6

Can someone help me plz

Mathematics
1 answer:
joja [24]3 years ago
7 0

:

is it from a textbook

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223x12 please tell me I'm in my last question and dieing.
svlad2 [7]

Answer:

2,676

Step-by-step explanation:

2,676=223x12

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Point P is outside a circle with center O and is 10 cm from the center. The circle has a radius of 5 cm. Lines PA and PB are two
pishuonlain [190]

9514 1404 393

Answer:

  • ∠PAO = 90°
  • ∠APO = 30°
  • ∠AOB = 120°
  • PB ≈ 8.7

Step-by-step explanation:

A tangent makes a right angle with the radius to the point of tangency. Hence ∠PAO is 90°. The ratio of the short side (OA) of the right triangle OAP to the hypotenuse (OP) is 5 : 10 = 1 : 2. These are the ratios found in a 30°-60°-90° triangle, so we know that ∠APO = 30°.

OP is a bisector of angle APB, so that angle is 60°. Angle AOB is the supplement to angle APB, so ∠AOB = 120°.

__

As we said above, triangle OAP is a 30°-60°-90° triangle, so its side lengths have the ratios 1 : √3 : 2. This means PA = PB = 5√3 ≈ 8.7.

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3 years ago
What is the length of a diagonal of a rectangle that is 30 centimeters long and 16 cm. wide?
Musya8 [376]
Length squared + width squared = Diagonal squared
Length squared = 900cm
Width squared = 256cm
total = 1156
Therefore Diagonal squared = 1156
Diagonal = 34cm

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Answer:

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Step-by-step explanation:

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