Sketch an equilateral triangle. Draw a perpendicular bisector from your top vertex to the bottom side, making two right triangles. Fill in the all of the angle measures using your knowledge of equilateral triangles and bisectors. If one side is 10 inches, fill in as many sides and pieces of sides as possible.
1 point
1
Question 3
3.
What similarity theorem(s) explain how all 30-60-90 triangles are similar? Select all correct answer(s):
1 point
1
Question 4
4.
Consider one side of the equilateral triangle you just made in the orientation below. How can you represent x in terms of a?
1 point
1
Question 5
5.
Use the Pythagorean Theorem on the triangle below to express y in terms of a. Be sure to reduce and rationalize radicals.
1 point
1
Question 6
6.
Without using the Pythagorean Theorem, find the missing side lengths of a 30-60-90 triangle if the hypotenuse is 8 units long. Draw the triangle, fill in the angles, then fill in the missing sides.
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1
Question 7
7.
In a 45-45-90 triangle, the hypotenuse is ____ times as long as a leg.
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1
Question 8
8.
A 45-45-90 triangle is a(n) _____ triangle, so the legs are _____.
1 point
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Question 9
9.
In a 30-60-90 triangle, the hypotenuse is ____ times as long as the shortest leg.
1 point
1
Question 10
10.
In a 30-60-90 triangle, the longer leg is ____ times as long as the shortest leg.
1 point
1
Question 11
11.
In a 30-60-90 triangle, the shortest side is across from the smallest angle.
0.5 points
0.5
Question 12
12.
Find the value of x using your special right triangle formulas, you must show your work below to get full credit:
0.5 points
0.5
Question 13
13.
What is the value of x?
0.5 points
0.5
Question 14
14.
Find the value of x using your special right triangle formulas, you must show your work below to get full credit:
0.5 points
0.5
Question 15
15.
What is the value of x?
0.5 points
0.5
Question 16
16.
Find the value of x using your special right triangle formulas, you must show your work below to get full credit:
0.5 points
0.5
Question 17
17.
What is the exact value of x?
2 points
2
Question 18
18.
Find the values of x and y, clearly note your work and solutions:
2 points
2
Question 19
19.
Find the values of x and y, clearly note your work and solutions: