Use the law of sines. find m∠c to the nearest tenth. a. 68.3° b. 24.1° c. 111.7° d. 155.9° triangle line cb is 57, line ba 86, ∠a is 38°

m∠C = 68.3 ⇒ answer (a)

Step-by-step explanation:

In ΔABC:

∵ CB = 57 and BA = 86

∵ m∠A = 38°

By using the sin Rule:

AB/sinC = BC/sinA

∵ AB = 86 , BC = 57 and m∠A = 38°

∴ 86/sinC = 57/sin38

∴ sinC = (86 × sin38)/57 = 0.9288928

∴ m∠C = 68.3 ⇒ answer (a)

it's a proportional graph.

step-by-step explanation:

8 x 5 = 40         (and you have -8x and -5y)

x= absiss

y= orderly

so you have a proportional graph.