Topic

Right Triangle Basics

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Quizzes in Right Triangle Basics

Can side lengths 15, 20, and 25 form a right triangle?

  • None of these 3
  • Yes
  • No
  • None of these 2
Correct answer(s):
    • Yes


Can side lengths 10, 24, and 26 form a right triangle?

  • Yes
  • None of these 3
  • No
  • None of these 2
Correct answer(s):
    • Yes

Can side lengths 9, 12, and 15 form a right triangle?

  • None of these 2
  • No
  • Yes
  • None of these 3
Correct answer(s):
    • Yes

Can side lengths 8, 15, and 17 form a right triangle?

  • No
  • None of these 3
  • Yes
  • None of these 2
Correct answer(s):
    • Yes

Can side lengths 7, 24, and 25 form a right triangle?

  • None of these 3
  • Yes
  • None of these 2
  • No
Correct answer(s):
    • Yes

Can side lengths 6, 8, and 10 form a right triangle?

  • Yes
  • No
  • None of these 2
  • None of these 3
Correct answer(s):
    • Yes

Can side lengths 5, 12, and 13 form a right triangle?

  • Yes
  • None of these 2
  • None of these 3
  • No
Correct answer(s):
    • Yes

Can side lengths 3, 4, and 5 form a right triangle?

  • None of these 3
  • No
  • None of these 2
  • Yes
Correct answer(s):
    • Yes

In right triangle GHI, angle H is 90° and angle G is chosen. Which side is the hypotenuse?

  • HI
  • GH
  • GI
  • IG
Correct answer(s):
    • GI


In right triangle RST, angle T is 90° and angle S is chosen. Which side is adjacent to angle S?

  • TR
  • RS
  • ST
  • RT
Correct answer(s):
    • ST

In right triangle LMN, angle N is 90° and angle L is chosen. Which side is opposite angle L?

  • ML
  • LN
  • LM
  • MN
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?

  • DE
  • DF
  • FE
  • EF
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?

  • AC
  • BC
  • AB
  • CB
Correct answer(s):
    • AC

In introductory trigonometry, what does ‘adjacent side’ mean?

  • the side next to every angle
  • the total distance around a triangle
  • a line that always points upward
  • the side next to the chosen angle, not the hypotenuse
Correct answer(s):
    • the side next to the chosen angle, not the hypotenuse

In introductory trigonometry, what does ‘opposite side’ mean?

  • the side next to every angle
  • a line that always points upward
  • the total distance around a triangle
  • the side across from the chosen angle
Correct answer(s):
    • the side across from the chosen angle


In introductory trigonometry, what does ‘hypotenuse’ mean?

  • the side next to every angle
  • a line that always points upward
  • the longest side of a right triangle, opposite the right angle
  • the total distance around a triangle
Correct answer(s):
    • the longest side of a right triangle, opposite the right angle