26-03-2020
Mathematics

contestada

Please help with law of cosines. Please mark brainliest

Please help with law of cosines Please mark brainliest class=

Respuesta :

kenlingdad kenlingdad

26-03-2020

Answer:

∠C = 27°

Step-by-step explanation:

AB² = BC² + AC² - 2 x BC x AC x cos ∠C

25 = 100 + 121 - 2 x 10 x 11 x cos ∠C

cos ∠C = 196 / 220 = 0.89

∠C = 27°

Answer Link

Otras preguntas

The table shows there are 24 number of books Salvador has read.Find the ratio of mystery books 10 to the total. Explain its meaning

Identify the correct sentence. a. Drive South on Park road until you reach Euclid avenue. b. Drive south on Park Road until you reach Euclid Avenue. c. Drive

divide the difference between 2400 and 900 by 3

What is a federalist and what do they do?

For a presentation on how to a build a rocket, which type of media would not be appropriate? a finished rocket a poster board explaining the steps one by one a

A car travelling at 45 mi/hr (20.1 m/s) comes to rest in 4 seconds. Find the acceleration of the car in m/s2.

Round 7,298 to the nearest thousand.

what problems have resulted from the dramatic increase population over the last 100 years?

Choose the sentence that uses a preposition to express a logical relationship. A. He practiced for the piano recital from early morning to late aftern

Which laws directed the flow of goods between england and the colonies? A) Navigation Acts B) Merchant's Pledge C) Colonists' Rights Law D) Colonies' Char