Question

In the adjacent ligure, AABC is right angled at B, AB - 24 cm and BC - 7 cm. The value of
(28
c
(b) 27 cm
26 cm
25 cm​

Answer 1

Answer:

R.E.F image

In Δ ABC, B is at right angle.

Given, AB=24cm

BC=7cm

using Pythagoras theorem

AB

2

+BC

2

=AC

2

⇒(24)

2

+(7)

2

=AC

2

⇒AC=

(24

2

)+(7)

2

=

576+49

=

625

⇒AC=25CM

(i)sin A=

AC

BC

=

25

7

cos A=

AC

AB

=

25

24

(ii)sin C=

AC

AB

=

25

24

cos c=

AC

BC

=

25

Answer 2

Answer:

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