Question

ADVANCED LEVEL
7. Given that AABC is similar to AADE, find the values
of the unknowns in the figure.
A
4 cm
6 cm
56°
B В
C С
9 cm
y cm
xº
D
F​

Answer 1

9

MATHS

Geometry

A,B,C and D are concylic, AC bisects BD. If AB =9 cm, BC=8 cm, and CD=6 cm, then find the measure of AD.

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Text Solution

7 cm

10 cm

12 cm

15 cm

Answer :

C

Solution :

Let 'O' be the intersection point of AC and BD

By AA similarity,

△AOB−△DOC

ABCD=OBOC

=ADBC=OBOC

=(AB)(BC)=(CD)(AD)

AD=12 cm.

Answer 2

Answer:

answer is above

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