🔐 ESCAPE ROOM: ANGLE MASTERY

 

General Instructions

Your mission: Solve the three challenges and unlock all three locks.
Each lock has a 3-digit code.
Work carefully, show your calculations, and do not guess the code!

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🔒 PHASE 2 — LOCK 1

Level: Angle Types & Basic Measurement

Time: 15 minutes

Student Instructions

Envelope 1: The First Lock

Inside this envelope, you will find several angle puzzles.

Step 1: Identify the type of each angle: acute, right, obtuse, straight, or reflex.
Step 2: Determine the missing angle or calculate the required measurement.
Step 3: Add the three final answers together to obtain the 3-digit Lock 1 code.

Puzzle 1 — The Missing Angle

Two angles form a straight line.

∠A=47∘

Find ∠B.

Answer: ______°

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Puzzle 2 — The Right Angle

Two angles form a right angle.

∠C=28∘

Find ∠D.

Answer: ______°

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Puzzle 3 — Around a Point

Three angles around a point are:

85∘,120∘,x∘

Find x.

Answer: ______°

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🔐 LOCK 1

Add your three answers:

Answer 1+Answer 2+Answer 3​

Your 3-digit code is:

🔒 _ _ _