In the given figure, AB = 5 cm and CA= 7cm, and AD is the line of symmetry.

Find the length of EF.

1cm

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2cm

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3cm

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1.5cm

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Solution

The correct option is B
2cm

Since, AD is the line of symmetry, the part of the figure to the right of this line is identical to the part of the figure to the left of it.

Therefore, AB = AE = 5 cm and CA = FA = 7cm.

Hence, EF= FA - AE i.e. EF= 7- 5= 2cm.

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In the given figure, AB = 5 cm and CA= 7cm, and AD is the line of symmetry. Find the length of EF.

The correct option is B 2cm Since, AD is the line of symmetry, the part of the figure to the right of this line is identical to the part of the figure to the left of it. Therefore, AB = AE = 5 cm and CA = FA = 7cm. Hence, EF= FA - AE i.e. EF= 7- 5= 2cm.

In the given figure, AB = 5 cm and CA= 7cm, and AD is the line of symmetry.

Find the length of EF.

The correct option is B
2cm

Since, AD is the line of symmetry, the part of the figure to the right of this line is identical to the part of the figure to the left of it.

Therefore, AB = AE = 5 cm and CA = FA = 7cm.

Hence, EF= FA - AE i.e. EF= 7- 5= 2cm.