swaggerjagga18 swaggerjagga18

22-10-2018
Mathematics

contestada

m∠A = 42 and m∠C = 57. Find m∠B.
A. 81

B. 99

C. 132

D. 147

Respuesta :

thefishypig01 thefishypig01

22-10-2018

A.
because the total distance of every triangle 180. Add the two other angles so 42+ 57 =99. Then you have to subtract those two combined angles to find the missing one from the total distance, which is 180. 180-99=81. the answer is A. 81

Answer Link

Otras preguntas

What is the definition of debate? A. Debate is the type of font used in a newspaper. B. Debate is the set of principles by which we judge if something is right

Which innovation helped improve trade along the Mississippi? Question 5 options: A) the Erie Canal B) the spinning jenny C) the steamboat D)

Need help dividing decimals

What type of magma will have the most built-up pressure because of its high strength and viscosity? a. silica-rich b. basaltic c. iron-rich

what 1929 event helped spark the great depression

What is the criticism of the categorization of Nations as developed or developing

How do solve an equation that have decimals

You see an obvious fire hazard with electrical equipment in a part of the building in which you infrequently work. Which option is the best fire prevention prac

What laws did Queen Victoria pass in her reign as queen? What did these acts/laws do?

How does gender inequality in the film industry affect the brains of actors and actresses? (A type of survey thing, just to get opinions)