sarahwaffle900t sarahwaffle900t

21-01-2020
Mathematics

contestada

Find the length of the short leg of a 30-60-90 triangle if the long leg is 3cm

Respuesta :

kenlingdad kenlingdad

21-01-2020

Answer:

Short leg = √3 cm

Step-by-step explanation:

the opposite angle of long leg is 60°

hypotenuse : x

sin 60° = 3/x = √3 / 2

x = (3 x 2) / √3 = 2√3

short leg length (s)

Cos 60° = 1/2 = s / x = s / 2√3

s = √3

Answer Link

Otras preguntas

The last sentence says that the State follows at a distance the "delicacy of culture and aspiration". What does aspiration mean?

During the Meuse-Argonne offensive of 1918, the Americans helped a)the French and British push the Germans back. b)attack the German Hindenburg line. c)to expan

A 26‘long painting is how many yards long?

Lymphomas are types of cancers that affect __________.

α-(α-90°)=(α-180°)-α Pls help!

Similes, metaphors, and personification are all kinds of ____. ideas figurative language analytical devices exaggeration

Factor completely: 16x2 − 81

Suppose you had 100 grams of water what is the molar mass of H2O

How does the Zika Virus/Fever effect your body

When an ADP molecule gains a phosphate, it becomes an ATP molecule. This process is called _____.