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3 years ago

(1.1)What is the notation for line BC"?

Mathematics

1 answer:

Luda [366]3 years ago

4 0

A line can be labeled with two points on the line (e.g. ↔BC) or by just a letter, generally less than (for example, line m ).

There really are 2 endpoints in a line segment.
The endpoints and all the points in them have included the length of a sector, but not a line can be measured.
It shows structures as a linear character string.
They are commonly employed in chemicals as computers can readily handle linear data strings.

The wrong choice can be defined as follows:

In option B, it is wrong because (segment bar) is a Line Segment.
In option C, it is wrong because (→ or ←) is a Ray.
In option D, it is wrong because it is a Point.

Therefore the final answer is "Option a".

Learn more:

brainly.com/question/1592396

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3 years ago

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2 years ago

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In ΔABC, the lengths of a, b, and c are 22.5 centimeters, 18 centimeters, and 13.6 centimeters, respectively.

Irina-Kira [14]

Given the values of the three sides of the triangle, we can apply the Cosine Law to find the angles of the triangle. Recall that for we can express the value of c through the equation below.

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Rearranging this equation, we can find the value ∠C as shown below.

$\cos C = \frac{a^{2}+b^{2}-c^{2}}{2ab}$
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We can apply the same reasoning for finding the value of ∠B as shown.

$B = cos^{-1} (\frac{a^{2}+c^{2}-b^{2}}{2ac})$

Plugging in the values of the sides (see image attached) from the given. It will now be straightforward to compute for ∠B and ∠C.

$C = cos^{-1} (\frac{22.5^{2}+18^{2}-13.6^{2}}{2(22.5)(18)})$
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$B = cos^{-1} (\frac{22.5^{2}+13.6^{2}-18^{2}}{2(22.5)(13.6)})$
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Elanso [62]

Answer:

The answer is 2

Step-by-step explanation:

3/4÷ 3/8 =

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