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choli [55]
3 years ago
15

If the tangent of an angle of a right angled triangle is 0.8 , then it's longest side is

Mathematics
1 answer:
Blababa [14]3 years ago
8 0

Step-by-step explanation:

  • Assume non-hypotenuse sides are 4 and 5, so tan =4/5=0.8 . Then hypotenuse is sqrt(16+25) = sqrt(41) So sides are 4,5,sqrt (41).
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VARVARA [1.3K]

Answer:

A semicircle measures 180°

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A right angle measures 90º.

Step-by-step explanation:

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3 years ago
Can someone help me here<br><br> NONSENSE=REPORT​
lys-0071 [83]

\huge \qquad \sf \: Answer

Here we go ~

1. A circle can be named by their Centre, so here in the diagram it's :

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2. Name 4 radii :

Radii are the line segments that joins the centre and boundary of circle.

They are :

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3. 2 Major arcs :

considering two points on a circle, and joining them forms a curve ( you can say part of circumference )

When we consider two points two arcs are formed and the arc with more length is known as Major Arc

That is :

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  • Major arc BEC

4. A Semicircle :

Semicircle is special arc which is formed when two arcs formed by the points are equals to one another... it's also half the Perimeter of circle.

that is :

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5. 3 minor arcs :

The arc formed by two points having lesser length is known as minor arc.

that is :

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6. 3 Central angles :

Central angles are angles formed by arcs on centre of the circle ~

that is :

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7. A diameter :

Diameter is a chord that passes through centre of the circle.

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8. Congruent Angles :

In the given figure, there are two equal/congruent angles that are ~

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The arcs that have one common end point are known as Adjacent arcs ~

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2 years ago
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1/5( 5/2 x 4/7 -11/7) + 3/28

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T
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3 years ago
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Naddik [55]

Answer:

P (X ≤ 4)

Step-by-step explanation:

The binomial probability formula can be used to find the probability of a binomial experiment for a specific number of successes.  It <em>does not</em> find the probability for a <em>range</em> of successes, as in this case.

 

The <em>range</em> "x≤4" means x = 0 <em>or</em> x = 1 <em>or </em>x = 2 <em>or</em> x = 3 <em>or</em> x = 4, so there are five different probability calculations to do.

 

To to find the total probability, we use the addition rule that states that the probabilities of different events can be added to find the probability for the entire set of events only if the events are <em>Mutually Exclusive</em>. The outcomes of a binomial experiment are mutually exclusive for any value of x between zero and n, as long as n and p don't change, so we're allowed to add the five calculated probabilities together to find the total probability.

 

The probability that x ≤ 4 can be written as P (X ≤ 4) or as P (X = 0 or X = 1 or X = 2 or X = 3 or X = 4) which means (because of the addition rule) that P(x ≤ 4) = P(x = 0) + P(x = 1) + P (x = 2) + P (x = 3) + P (x = 4)

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nlexa [21]

Answer:

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Step-by-step explanation:

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