Everything Maths Grade 11

CHAPTER 16. GEOMETRY 16.4

Find F H in the following figure.

��

E

D

F

G

H

42

21

36

BF = 25 m, AB = 13 m, AD = 9 m, DF = 18 m.
Calculate the lengths of BC, CF, CD, CE and EF, and find the ratioDEAC.

A

B

C

D

E F

If LM� JK, calculate y.

I

J

K

L

M

y y− 2

2

7

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