A side of a rhombus is 2cm in length. An angle of the rho...
A side of a rhombus is 2cm in length. An angle of the rhombus is 60°. What is the length of the diagonal facing this angle?
2cm
8cm
4cm
2√3cm
16cm
Correct answer is D
x2 = sin60° = cos30°
x = 2 sino
= 2 x √32
= √3
length of the diagonal = 2 x √2
= 2√3
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