Question

Help to solve this one​

Answer 1

Answer:

So we get

AP X BP = CP X DP

From the figure we know that CP = CD +

DP

By substituting the values

8x 2 (CD + 2.5) × 2.5 cm

consider x = CD

So we get

8 × 2 = (x + 2.5) × 2.5

On further calculation

16 = 2.5x + 6.25

It can be written as

2.5x 16 6.25

By subtraction

2.5x = 9.75

By subtraction

2.5x = 9.75

By division

x= 9.75

2

So we get

X = 3.9cm

Therefore, CD = 3.9cm.

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Answer 2

Answer:

Ab=6cm Bp=2cm and PD=2•5cm find CD

ab+BC+cd+Da=180cm

6cm+2cm+x +2•5cm=180

x+10•5=180

x=180÷10•5

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