Angle sum, interior angles and exterior angles

greenchloe76
Flashcards by greenchloe76, updated more than 1 year ago
greenchloe76
Created by greenchloe76 over 6 years ago
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GCSE Math Flashcards on Angle sum, interior angles and exterior angles, created by greenchloe76 on 03/12/2014.
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Question Answer
ANGLE SUM number of triangles in shape x 180 = angle sum e.g. pentagon- 5 sides- fits 3 triangles 3 x 180 = 540
INTERIOR ANGLES angle sum/ number of sides pentagon- 5 sides- angle sum = 540 540/5 = 108 each angle = 108
EXTERIOR ANGLES 180- interior angle. eg. 180 - 108 = 72
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