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Which symbol is commonly used for the sine ratio?
Correct answer(s):
- sin θ
Which expression gives the sine ratio in a right triangle?
Correct answer(s):
- opposite ÷ hypotenuse
In right triangle GHI, angle H is 90° and angle G is chosen. Which side is the hypotenuse?
Correct answer(s):
- GI
In right triangle RST, angle T is 90° and angle S is chosen. Which side is adjacent to angle S?
Correct answer(s):
- ST
In right triangle LMN, angle N is 90° and angle L is chosen. Which side is opposite angle L?
Correct answer(s):
- MN
In right triangle DEF, angle D is the chosen acute angle and angle F is 90°. Which side is adjacent to angle D?
Correct answer(s):
- DF
In right triangle ABC, angle B is the chosen acute angle and angle C is 90°. Which side is opposite angle B?
Correct answer(s):
- AC
In right triangle XYZ, angle Y is 90°. Which side is the hypotenuse?
Correct answer(s):
- XZ
In right triangle PQR, angle R is 90°. Which side is the hypotenuse?
Correct answer(s):
- PQ
In right triangle ABC, angle C is 90°. Which side is the hypotenuse?
Correct answer(s):
- AB
Which type of angle measures 0°?
Correct answer(s):
- zero angle
Which type of angle measures 180°?
Correct answer(s):
- straight angle
Which type of angle measures 170°?
Correct answer(s):
- obtuse angle
Which type of angle measures 150°?
Correct answer(s):
- obtuse angle
Which type of angle measures 135°?
Correct answer(s):
- obtuse angle
Which type of angle measures 120°?
Correct answer(s):
- obtuse angle
Which type of angle measures 100°?
Correct answer(s):
- obtuse angle
Which type of angle measures 91°?
Correct answer(s):
- obtuse angle
Which type of angle measures 90°?
Correct answer(s):
- right angle
Which type of angle measures 89°?
Correct answer(s):
- acute angle