Math, asked by moulya19, 4 months ago

In a rectangle ABCD,AB=15cm and ∆BAC =30°.Find the length of BC.

Answers

Answered by tanvisheth

0

Answer:

∠BAC=30

o

tan30

o

=

AB

BC

⇒BC=12×

3

1

=4

3

⇒AC=

AB

2

+BC

2

=

144+48

=8

3

Previous Question

Next Question

Similar questions

English, 2 months ago

(I)X+1 (ii) x-½ (iii)X (IV)X+π (v)5+2x by long division method...

Hindi, 2 months ago

फेहलिंग अभिकर्मक क्या है? What is Fehling's reagent?

Social Sciences, 2 months ago

what is mean by inclusiveness...

Math, 4 months ago

the floor of a building contists of 2000 tiles which are rhombus shaped and each of its diagonal are 45 cm and 30cm in length . find the total cost of polishing the floor . if the cost per m² is rs5.

World Languages, 4 months ago

2. We can use an _______ for performing experiments. * Electric bulb Electric cell Electric torch None of the above...

Math, 10 months ago

For each of the following, find a quadratic polynomial whose sum and product respectively of the zeroes are as given. Also find the zeroes of these polynomials by factorisation. (i)-3, 2...

Hindi, 10 months ago

Hitchintan me kaun sa smas h?

Math, 10 months ago

A man is twice as old as his son. 20 years ago his age was 12 times the age of his son. Find their present ages.