Register
In ΔQRS, q = 1.3 inches, r = 1.6 inches and ∠S=157°. Find the length of s, to the nearest 10th of an inch.
31.9k views
5 votes
In ΔQRS, q = 1.3 inches, r = 1.6 inches and ∠S=157°. Find the length of s, to the nearest 10th of an inch.

User Shernette
by
7.5k points

1 Answer

6 votes

Answer:

2.8

Explanation:

using cosine rule


s^(2) =
1.3^(2) + 1.6^(2) - 2(1.3)(1.6)cos 157

s =
√(8.0793) = 2.842 = 2.8

User Chiubaka
by
7.8k points
← Prev Question Next Question →

Related questions

User Avacariu
asked Feb 17, 2024 221k views
In ΔQRS, q = 5.5 cm, r = 7.9 cm and ∠S=154°. Find ∠R, to the nearest 10th of a degree.
Avacariu asked Feb 17, 2024
by Avacariu
8.4k points
1 answer
1 vote
221k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Write words to match the expression. 24- ( 6+3)
Link Copied!