Question

In ∆ABC, if a = 8.75 centimeters, c = 4.26 centimeters, and m B = 87°, what is the length of b to two decimal places?

8.92 centimeters

9.41 centimeters

9.53 centimeters

13.01 centimeters

15.36 centimeters @lovepurple @StudyGurl14

Answer 1

yeah do i pick 2 numbers

Answer 2

im not sure my teacher said he had a hard time with this

Answer 3

hmm????

Answer 4

hold on a sec while i solve

Answer 5

gotchu

Answer 6

Odd...this seems like a difficult problem for you...Anyway...use the law of cosines

Answer 7

im sorry but im so far lost im in orbit

Answer 8

i dont get anything

Answer 9

and i still dont get the answer lol

Answer 10

i know huh

Answer 11

13.01 i think

Answer 12

13.01

Answer 13

No @lovepurple approx 9.53

Answer 14

\(\large b^2=(8.75)^2+(4.26)^2-2(8.75)(4.26)(cos(87))\)
\(\large b=\sqrt{76.5625+18.1476-74.55cos(87)}\)
\(\large b\approx 9.529347011...\approx9.53\)

Answer 15

so 9.53

Answer 16

k