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AnnZ [28]
4 years ago
9

When would you use herons formula in the real world?

Mathematics
2 answers:
yan [13]4 years ago
5 0
You can use herons formula to calculate the area of any  triangles when you know the lengths of three  sides real life math consumer math
Natalka [10]4 years ago
4 0
Heron's formula is named after Hero of Alexendria, a Greek Engineer and Mathematician in 10 - 70 AD. You can use this formula to find the area of a triangle using the 3 side lengths. Therefore, you do not have to rely on the formula for area that uses base and height. The picture below illustrates the general fro mu la where S represents the semi-perimeter of the triangle ,
You might be interested in
X km/h = y mph
3241004551 [841]
Let's first write down the equations which we will require to solve for this problem.

Equation No. 1 -
x km/h = y mph

Equation No. 2 -
8 km/h = 5 mph

First of all, we will make y the subject by calculating the km/h when mph = 1. We will accomplish this by dividing both sides by 5 as displayed below:

Equation No. 2 -
8 km/h = 5 mph
5 mph = 8 km/h
5 / 5 mph = 8 / 5 km/h
1 mph = 8 / 5 km/h

Through this, we have found out:

m = 8 / 5

We will use the y = mx formula in order to obtain our final equation. We will substitute the value given in the second equation into the formula.

y = mx
y = ( 8 / 5 ) x
4 0
3 years ago
A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly that airline again. Find th
prohojiy [21]

Answer:

\hat p =\frac{X}{n}

And replacing we got:

\hat p =\frac{132}{146}= 0.904

And for this case the standard error assuming normality would be given by:

SE= \sqrt{\frac{\hat p (1-\hat p)}{n}}

And replacing we got:

SE= \sqrt{\frac{0.904*(1-0.904)}{146}}= 0.024

Step-by-step explanation:

For this problem we know the following notation:

n= 146 represent the sample size selected

X= 132 represent the number of airplane travelers who after a flight  would fly that airline again

The estimated proportion for this case would be:

\hat p =\frac{X}{n}

And replacing we got:

\hat p =\frac{132}{146}= 0.904

And for this case the standard error assuming normality would be given by:

SE= \sqrt{\frac{\hat p (1-\hat p)}{n}}

And replacing we got:

SE= \sqrt{\frac{0.904*(1-0.904)}{146}}= 0.024

5 0
3 years ago
The figure shown to the right is an isosceles triangle, and
Mrrafil [7]

Answer:

We know that an isosceles triangle has 2 of its sides being equal

With R, being the midpoint of PS, we can say that

PR=RS

Noting that, with R as midpoint, we can conclude that RT is a straight line which divides angles TPR and TSR into 2 right angle triangles

Step-by-step explanation:

therefore angle at P is 45°. Angle at S also 45°

Therefore PT = TS

This is because T is 45 degrees as well as P which is also 45 degrees

angle in triangle PTS is 180 degrees

R is 90 degrees, P is 45 degrees and the whole of T is also 45 degrees(which has been split into 2)

3 0
3 years ago
Which equation is equivalent to
STALIN [3.7K]

Answer:

C

Step-by-step explanation:

y + 2x + 10 = 4x + 5

y = 4x - 2x + 5 - 10

y = 2x - 5

Answer- C

8 0
3 years ago
Will give brainliest!
Lemur [1.5K]
Because BD is the angle bisector, and m∠ABC=40, m∠ABD is 20. 

In case you'll need to find out x and y:
3x-1=34-2x, and 3y+6=5y-18
solve: 5x=35, x=7
2y=24, y=12
(m∠ABD=3x-1=3*7-1=20, again, the answer is in this case) 
7 0
3 years ago
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