Math SATs- Trigonometry

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oLahav’s Tests

A test by Oren Lahav.

Test Questions

Question

I have another triangle. It has a side of 12, one angle of 120 across of that side and another angle of 30. Find the sides of the triangle.

Answers

Correct	Answer Text
	7, 7 and 12
	7, 14 and 12
	6, 6, and 10
	3, 19 and 12
	Not enough information

Question

Find the 3 sides of a triangle with angles 40, 80 and 60.

Answers

Correct	Answer Text
	Not enough information
	16, 3, 10
	10, 12, 3
	16, 9, 9
	5, 7, 11

Question

How many different right-angled triangles are also equilateral?

Answers

Correct	Answer Text
	Just 1
	Exactly 4
	Exactly 2
	None
	Infinitely many

Question

Which of the following angles can be a set of angles for an isosceles but not an equilateral triangle?

Answers

Correct	Answer Text
	70, 60, 50
	20, 140, 20
	Any 3 angles that add up to 180
	30, 60, 90
	60, 60, 60

Question

I have a right-angled triangle with perpendicular sides of 5 and 12. What are the 3 angles in the triangle?

Answers

Correct	Answer Text
	60, 30, 90
	90, 23, 67
	90, 45, 45
	Not enough information
	90, 54, 36

Question

What kind of triangle has the sides 1, 1, sqrt(2) ?

Answers

Correct	Answer Text
	Both isosceles and right angled
	Equilateral
	Right angled
	Isosceles
	Both Isosceles and equilateral

Question

Find the s angles of a triangle with sides 3, 4 and 5.

Answers

Correct	Answer Text
	22, 107, 51
	Not enough information
	37, 53, 90
	90, 45, 45
	65, 45, 70

Question

My triangle has sides 7 and 10 with an angles of 45 between them. What's the length of the missing side?

Answers

Correct	Answer Text
	About 17
	About 149
	About 100
	About 6
	About 10

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oLahav’s Tests

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