evelynmelgosa evelynmelgosa
  • 14-06-2021
  • Mathematics
contestada

help plsss it’s timed i need to passss plsss

help plsss its timed i need to passss plsss class=

Respuesta :

fichoh
fichoh fichoh
  • 19-06-2021

Answer:

65°

Step-by-step explanation:

To obtain Angle A, we use the cosine rule ;

Cos A = (b² + c² - a²) / 2bc

Cos A = (12² + 14² - 14²) / 2(12)(14)

Cos A = 144 / 336

A = Cos^-1(144/336)

A = 64.62°

A = 65°

Answer Link

Otras preguntas

Which mathematical concepts did Euler's legacy include? Check all that apply.
what can be divided by 45 using 6
WHAT IS THE ENLIGHTENMENT in the 13 colonies?
What key invention helped to catapult the world into the Renaissance Era
May someone help me with this
4. Which muscle fibers are best suited for sprinting? Yellow fibers Motor-neuron cells Red fibers White fibers ITS NOT D 5. Which muscle fibers are best suited
Read the sentence. The zoo can be noisy. Which identifies the predicate adjective? A > be B > noisy Read the sentence. The animals will drink here at suns
Which line from Edgar Allan Poe’s "Annabel Lee" contains alliteration? Annabel Lee by Edgar Allan Poe It was many and many a year ago, In a kingdom by the sea,
True or false: f(x) is a function
What type of elements are generally involved in covalent bonding?