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lana [24]
3 years ago
12

___________ will almost always enable the surveyor to eliminate angle measuring mistakes. Measuring angles several times with th

e telescope in its normal position and in its reversed position and averaging the results will result in improved precision.
Mathematics
1 answer:
Elena L [17]3 years ago
4 0

Answer:

A theodolite

Step-by-step explanation:

theodolite is a precision instrument that is used to measure the angle in the horizontal and vertical planes and it is the most commonly used in surveying.

A modern developed theodolite consists of a movable telescope that is mounted within two perpendicular axes called the horizontal axis and the vertical axis. Pointing the telescope on a target object will enable measurement of angle with great precision.

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SecA-1= secA(1-cosA)
horsena [70]

Answer by JKismyhusbandbae:

\mathrm{Manipulating\:left\:side}\\\sec \left(a\right)-1\\Express\:with\:sin,\:cos\\=-1+\frac{1}{\cos \left(a\right)}\\\mathrm{Simplify}\:-1+\frac{1}{\cos \left(a\right)}:\quad \frac{-\cos \left(a\right)+1}{\cos \left(a\right)}\\\frac{1-\cos \left(a\right)}{\cos \left(a\right)}\\\mathrm{Use\:the\:following\:identity:}\:\frac{1}{\cos \left(x\right)}=\sec \left(x\right)\\=\left(1-\cos \left(a\right)\right)\sec \left(a\right)\\\mathrm{We\:showed\:that\:the\:two\:sides\:could\:take\:the\:same\:form}\\

\Rightarrow \mathrm{True}

5 0
3 years ago
Read 2 more answers
A catcher's and a pitcher's uniform numbers are consecutive integers whose product is 132. If the catcher's was the smaller numb
Masja [62]

Answer:

  • catcher: 11
  • pitcher: 12

Step-by-step explanation:

Since the numbers are consecutive, the square root of the product will be a value between them.

  √132 ≈ 11.49

so, the consecutive numbers are 11 and 12. (11×12 = 132)

The catcher's number is smaller, so is 11; the pitcher's number is 12.

8 0
4 years ago
What is the area of the kite?
Lubov Fominskaja [6]

Answer:

90 ft

Step-by-step explanation:

first you find the area of the 10 by 3 triangle, since on the other side it,s the same, all we need to do is find one of each triangle then mulitply it by 2 to get the area. then find the area of the 20 by 3 triangle. once you do that you will get 45, then you multiply it by 2 because it is the exact same on the other sides. then when you do that you get 90 ft. I hope this helps you! peace out.

3 0
4 years ago
Everytime u answer my question correct i will mark u brainlist
OleMash [197]

Answer:

Step-by-step explanation:

15c less than or equal to 200

4 0
4 years ago
Read 2 more answers
The base of a triangle is 5?45 cm and the height is 3?88 cm. What is the area of the triangle? Recall: A= 1/2bh
Angelina_Jolie [31]

Answer:

10.57 cm²

Step-by-step explanation:

Recall that the area of a triangle is gotten by (1/2)*base*height

If the height of the triangle is 5.45cm and the base is 3.88cm, then the area can be calculated by multiplying the two numbers and dividing it by 2.

5.45*3.88 = 21.146cm²

This still needs to be cut in half (otherwise we are yielding the area of a rectangle with these dimensions)

21.146 cm²/2 = 10.573 cm²

This can be rounded to the nearest hundredth

= 10.57 cm²

7 0
3 years ago
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