Angle Types and Properties
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Angle Types and Properties
📐 Part 1: Angle Classification
45°
Acute Right Obtuse Reflex120°
Acute Right Obtuse Reflex270°
Acute Right Obtuse Reflex90°
Acute Right Obtuse ReflexAcute angles: 0° < angle < _______°
Right angles: angle = _______°
Obtuse angles: _______° < angle < _______°
Straight angles: angle = _______°
Reflex angles: _______° < angle < _______°
🔍 Part 2: Real-World Applications
a) The hands of a clock at 3 o'clock: _______________
b) A door that is slightly open (about 30°): _______________
c) The corner of a square piece of paper: _______________
d) A book opened flat on a table: _______________
Space for drawing or measuring angles - your teacher will provide angle diagrams
Angle A: Estimate ______° Type: __________ Actual measurement: ______°
Angle B: Estimate ______° Type: __________ Actual measurement: ______°
Angle C: Estimate ______° Type: __________ Actual measurement: ______°
⭐ Part 3: Challenge Questions
Show your working:
a) An acute angle? x < _______
b) An obtuse angle? _______ < x < _______
c) A reflex angle? x > _______
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