Register
A triangle has sides 11 cm, 16 cm and 7 cm. the largest angles has size of x. calculate X. Round your answer to the nearest degree.
149k views
3 votes
A triangle has sides 11 cm, 16 cm and 7 cm. the largest angles has size of x. calculate X. Round your answer to the nearest degree.

A triangle has sides 11 cm, 16 cm and 7 cm. the largest angles has size of x. calculate-example-1
User Dbuchet
by
3.1k points

1 Answer

2 votes

Answer:

124°

Explanation:

cos X = (11²+7²-16²)/2(11)(7)

= (121+49-256)/154

= -86/154

= -0.5584

X = cos~¹ -0.5584 = 124°

User Hkasera
by
3.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

A study was completed in Florida. In southern Florida, the study involved 3,000 patients; 54% of them experienced flulike symptoms during the same month. The study had a margin of error of 1.8%. What does
Can someone help me plz I have to Turn 27/9 in simplest
At the beginning of a population study, a city had 240,000 people. Each year since, the population has grown by 9.7%. Lett be the number of years since start of the study. Let y be the city's population.
A furniture store donated a percent of every sell to charity,The total sells were $8,200 so the store donated $164 What percent of $8200 was donated to charity.
What is 65 less than J
Link Copied!