0 like 0 dislike
Please HELP!! GEOMETRY 20 points!!

A triangle has sides of lengths a=38,
b=58, c=73 km.

Find the measures of the 3 angles.

Enter your answer as a number;
answer should be accurate to 2
decimal places.

Angle A = ?
Angle B = ?
Angle C= ?
by

1 Answer

0 like 0 dislike
a = 38

b = 58

c = 73

[use the Law of Cosines]

cos(A) = b² + c² - a² / 2bc

cos(B) = c² + a² - b ² / 2ca

cos(C) = a² + b² - c² / 2ab

[substitute the values]

∡A = 52.09

∡B = 31.12

∡C = 96.79
by
Welcome to AskTheTask.com, where understudies, educators and math devotees can ask and respond to any number related inquiry. Find support and replies to any numerical statement including variable based math, geometry, calculation, analytics, geometry, divisions, settling articulation, improving on articulations from there, the sky is the limit. Find solutions to numerical problems. Help is consistently 100 percent free!

Questions

No related questions found