Question

In figure given ABCD is a rectangle, the value of CE is ____________.

Options

• 1 cm

• 2 cm

• 3 cm

• 4 cm

Answer 1

In figure given ABCD is a rectangle, the value of CE is 4 cm.

Explanation:

Since ABCD is a rectangle
∴ BC = AD = 8 cm and B = 90°

In rt `angle "CBE, cos"  60^circ = "CE"/"BC"`

`=> 1/2 = "CE"/8`

`therefore "CE" = 8/2 = 4  "cm"`