Math, asked by emiine, 8 months ago

in rectangle abcd, ab =20 , angle bac = 60 degree, calculate the length of side bc and diagonally ac and bd​

Answers

Answered by rishuraj7744
1

Step-by-step explanation:

In △ABC, from the above figure

tan 60° = AB/BC = √3

√3 = BC/20

∴ BC=20 √3 cm

cos60∘ = AB/AC = 1/2

1/2 = 20/AC

∴ AC=40 cm

In a rectangle, the two diagonals are equal.

∴ AC=BD=40 cm

Answered by nn4088626
0

Answer:

Here is Solution Buddy

plz mark me as Brainlist

and plz follow me

Attachments:
Similar questions
Math, 8 months ago