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13. A trapezium is made up of triangles. I
A
E
D
NOT TO
SCALE
B
C
Triangles ABE and BCE ar

By Margaret

13. A trapezium is made up of triangles. I
A
E
D
NOT TO
SCALE
B
C
Triangles ABE and BCE are right-angled triangles.
Triangles CDE and BCE are isosceles triangles (CE = DE and BC = BE).
AE = 3 cm and EB=4 cm.
Work out the length of AD.​

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Margaret

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