In the diagram, OA = 1 cm, angle AOB = angle BOC = angle COD = /4
Question:
In the diagram, OA = 1 cm, angle AOB = angle BOC = angle COD = π/4 and angle OAB = angle OBC = angle OCD = π/2.
a. Find the length of OD, giving your answer in the form a√2.
b. Show that the perimeter of the pentagon OABCD is 4 + 3√2 cm.
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Step by Step Answer:
Given 1 OA 1 cm 2 AOB BOC COD 4 45 3 OAB OBC OCD 2 90 SOLUTION STEP1 Considering Triangle OAB tan AO...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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