(b) If AB is 24 m, In the diagram below, A ADE is an enlarge- ment of A ABC. (a) Write down the centre of enlargement. (b) If AB = 8 cm, BD = 4 cm, calculate the scale factor. (c) If BC= 6 cm, calculate DE. D A 8 cm B 4 cm В 6 cm F

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Question
What is the answer to question nine please
21 m
379
28 m
in
12 m
P.
37
16 m
(b) If AB is 24 m, find QP.
In the diagram below, A ADE is an enlarge-
ment of A ABC.
(a) Write down the centre of enlargement.
(b) If AB = 8 cm, BD = 4 cm, calculate the
scale factor.
(c) If BC = 6 cm, calculate DE.
D
4 cm
8 cm
16 cm
10 In A ABC and A ADE shown below,
AB = 30 cm, AE = 18 cm, EC = 3 cm.
(a) Show that triangles 4RC
E
%3D
%3D
Transcribed Image Text:21 m 379 28 m in 12 m P. 37 16 m (b) If AB is 24 m, find QP. In the diagram below, A ADE is an enlarge- ment of A ABC. (a) Write down the centre of enlargement. (b) If AB = 8 cm, BD = 4 cm, calculate the scale factor. (c) If BC = 6 cm, calculate DE. D 4 cm 8 cm 16 cm 10 In A ABC and A ADE shown below, AB = 30 cm, AE = 18 cm, EC = 3 cm. (a) Show that triangles 4RC E %3D %3D
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