2 years ago

One acute angle angle of a right triangle is 5 times greater than the other. Find the acute angles of the triangle

1 answer:

6 0

Let acute angle be x.So x+5x+90=180 so x=30

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tatyana61 [14]

$6\sqrt2$

Why?

We have the isosceles right triangle. The length of legs are 6. Use the Pythagorean theorem:

$h^2=6^2+6^2\\\\h^2=36+36\\\\h^2=36\cdot2\to h=\sqrt{36\cdot2}\\\\h=\sqrt{36}\cdot\sqrt2\\\\h=6\sqrt2$

In general, the formula for calculating the hypotenuse in an isosceles right triangle is $h=a\sqrt2$

a - a leg, h - a hypotenuse

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3 years ago

Mandarinka [93]

$- \frac{\pi}{2} < \arcsin{x} < \frac{\pi}{2} 
\\
\\\sin(- \frac{\pi}{2}) < \sin(\arcsin{x}) < \sin(\frac{\pi}{2} )
\\
\\-1 < x < 1$

6 0

3 years ago

finlep [7]

Answer:

Hi I'm learning the same thing and I just got it I think it's C=43.98cm

8 0

2 years ago

Natalka [10]

f(x)= -x^2+4 plotted vertex (0,4)

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2 years ago

Triss [41]

2x+4x-4=2+4x
2x+4x-4x=2+4
2x=6
x=3

25-x=15-3x-10
3x-x= 15-10-25
2x= -20
x= -10

4x=2x+2x+5x-5x
2x+2x+5x-5x-4x
0 . no solution

8 0

2 years ago