3 years ago

Does 3,4, and 5 make a right triangle or not a right triangle?

Mathematics

2 answers:

S_A_V [24]3 years ago

6 0

Answer:

I believe it does

Step-by-step explanation:

sorry if i am wrong

tatiyna3 years ago

3 0

Answer:

3,4,5 and 5 do make a right angle

Step-by-step explanation:

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Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?<br>

Lostsunrise [7]

Given equation of the Circle is ,

$\sf\implies x^2 + y^2 = 25$

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

$\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2$

Here we can say that ,

• Radius = 5 units

• Centre = (0,0)

Finding distance between the two points :-

$\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }$