CBSE BOARD X, asked by pk172073, 14 days ago

the area of triangle is 12cm².two side are 6 cm and 12 cm. the included angle is​

Answers

Answered by aryanraj91827
2

Explanation:

Let a=6cm and b=12cm

Therefore the included angle is θ=∠C

area=

2

(height)(base)

area=

2

bh

now h=asinθ

therefore

area=

2

basinθ

12=

2

(12)(6)sinθ

sinC=sinθ=

3

1

Hence C=θ=sin

1

(

3

1

MARK AS BRAINLIST

)

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