jbyles33 jbyles33

05-08-2021
Mathematics

contestada

If triangle ABC has the following measurements, what is the measure of angle B? a=5 b=7 c=10

Respuesta :

yegagurung2007 yegagurung2007

05-08-2021

Answer: about 40.54°

Step by step explanation:

7^2 = 5^2 + 10^2 - 2(5)(10)cos(B)

cos(B) = (7^2 - 5^2 - 10^2) / (-2(5)(10) )

B = cos-1 [ (7^2 - 5^2 - 10^2) / (-2(5)(10) ] = cos-1 (.76) = about 40.54°

Answer Link

Otras preguntas

Steve is obsessed with exercising. if he has to schedule something during the time he'd planned for his workout, he becomes totally preoccupied with how he'll f

The amount of tea leaves in a can from a particular production line is normally distributed with μ = 110 grams and σ = 25 grams. what is the probability that a

Can someone please help me with this? I’m really confused on it.

Father owns land which he purchased several years ago for $80,000

Which quadrant is (8, -1) in? A) I. B) II. C) III. D) IV. you get brainliest if you answer

Denise is speaking about growing up in a single-parent family. she begins her presentation by telling her audience about her feelings when she was left out of t

Most of the decimation of indian population in americas in 16th century result from?

How does central retina differ from peripheral retina differ?

____ fitness is a medical term describing the effect of exercise on body systems and disease prevention.

Gabriel has a stack of nickels that is 0.72 inch tall. The thickness of a nickel is 0.08 inch. How many nickels does Gabriel have?

Q&A Education