Math, asked by vennela8002, 5 days ago

in a triangle ABC, right angled at B, AC=5inches and angle A 60⁰ find sin A​

Answers

Answered by ammuzamiya
1

Answer:

Solution

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Given:

△ABC is right angled at C, ∠B=60

∠C=90

We know that,

In triangle ABC, ∠A+∠B+∠C=180

60

+∠A+90

=180

∠A=30

We have,

sinA=

AB

CB

sin30

=

15

CB

2

1

×15=CB

CB=7.5 units

From Pythagoras theorem,

AB

2

=AC

2

+BC

2

15

2

=AC

2

+(

2

15

)

2

AC

2

=225−(

4

225

)

AC

2

=225(

4

3

)

AC=

2

15

3

units

Answered by kartikahatagale732
0

Step-by-step explanation:

इन ट्रायंगल एबीसी राइट एंगल एबीसी फंक्शन एंड एंगल ए 60 find sin a

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