24-02-2021
Mathematics

contestada

What is the measure of angle A? And what is the length of AB?

What is the measure of angle A And what is the length of AB class=

Respuesta :

24-02-2021

Answer:

∠A=53, and AB=13.7734922397

Step-by-step explanation:

Angles in a triangle add up to 180.

∠A+∠B+∠C=180

∠A+37+90=180

∠A=53

Use sine rule:

x/sinX=y/sinY

AB/sin∠C = CB/sin∠A

AB/sin90 = 11/sin53

AB/1=11/0.79863551004

AB=13.7734922397

Answer Link

Otras preguntas

Why does the carbon dioxide concentration in an occupied classroom change during a class period?

Three reasons for air is mixture and water is compound

which of the following is used when a charity urges you with an emotional appeal to support them "because its the right thing to do"?

what is equivalent to x^2-6x-27=0

What is the gist of this little poem ? :/

What can scientists learn about from fossils found in sea floor sediment? A the conditions of the ocean water at the time the fossil was preserved B the cli

If we describe the physical characteristics of an individual, we are describing their

A warm front often produces a ______ increase in temperature.

In a survey, 35 out of 75 students buy a school lunch on Fridays. There are 600 students in the school. How many students can the cafeteria manager predict will

When a chemist titrates a standard solution of 168.61 mL of hydrochloric acid (HCl) with 0.104 M sodium hydroxide (NaOH) , she finds that it requires 259.4 mL o