3 years ago

A. 2 cmB. 2√2 cmC. 4 cmD. 4√2 cm

Mathematics

1 answer:

algol [13]3 years ago

3 0

Answer:

.D. 4√2 cm

Step-by-step explanation:

With reference angle 45°

base (b) = 4 cm

hypotenuse (h) = AC

Now

Cos 45° = b /h

1/√2 = 4 / AC

AC = 4√2 cm

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A. 2 cmB. 2√2 cmC. 4 cmD. 4√2 cm​

A. 2 cmB. 2√2 cmC. 4 cmD. 4√2 cm