Side Lengths of the Unit Triangles

Since the Unit Circle has radius=1 unit, the special right triangles that exist in the Unit Circle all have a hypotenuse=1 unit.

We can determine the side lengths of each unit triangle. Each square root expression has been converted to decimal form for your reference. Notice the labeled side lengths on each triangle. The applet also shows calculated side length ratios within each triangle. Click "Unitize" to make the hypotenuse equal to 1 (as it would be in the Unit Circle) Unitize each of the triangles to determine the side length values used in the Unit Circle.

Which of the following side lengths exist within the "unitized" version of the 45-45-90 triangle?

Zde označte odpověď(i)

A
1
B
C
(approximately 0.707 as a decimal)
D
(approximately 0.866 as a decimal)

Zkontrolovat mou odpověď (3)

Which of the following side lengths exist within the "unitized" version of the 30-60-90 triangle?

Zde označte odpověď(i)

A
1
B
C
(approximately 0.707 as a decimal)
D
(approximately 0.866 as a decimal)

Zkontrolovat mou odpověď (3)

In the 45-45-90 triangle, both LEGS are equal to ________________.

Zde označte odpověď(i)

A
1
B
C
(approximately 0.707 as a decimal)
D
(approximately 0.866 as a decimal)

Zkontrolovat mou odpověď (3)

In the 30-60-90 triangle, the SHORT LEG is equal to ________________.

Zde označte odpověď(i)

A
1
B
C
(approximately 0.707 as a decimal)
D
(approximately 0.866 as a decimal)

Zkontrolovat mou odpověď (3)

In the 30-60-90 triangle, the LONG LEG is equal to ________________.

Zde označte odpověď(i)

A
1
B
C
(approximately 0.707 as a decimal)
D
(approximately 0.866 as a decimal)

Zkontrolovat mou odpověď (3)

Side Lengths of the Unit Triangles

Since the Unit Circle has radius=1 unit, the special right triangles that exist in the Unit Circle all have a hypotenuse=1 unit.

Which of the following side lengths exist within the "unitized" version of the 45-45-90 triangle?

Which of the following side lengths exist within the "unitized" version of the 30-60-90 triangle?

In the 45-45-90 triangle, both LEGS are equal to ________________.

In the 30-60-90 triangle, the SHORT LEG is equal to ________________.

In the 30-60-90 triangle, the LONG LEG is equal to ________________.

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