josieward josieward

03-02-2024
Mathematics

contestada

what’s is the length of a triangle when two sides are 10.4cm and has an angle of 120

Respuesta :

KiaraL2006 KiaraL2006

03-02-2024

Answer:

18.0 cm

Step-by-step explanation:

use the cosine rule:

a^2=b^2+c^2-2bcCos(A)

a^2=10.4^2+10.4^2-2x10.4x10.4Cos(120)

a^2=324.48

a=sqrt(324.48)

a=18.0cm (1dp)

hope this helps :)

Answer Link

Otras preguntas

The angle measure in degrees that corresponds to 7/10ths of a circle is what? a. 63 b.126 c. 252 d. 257/ also, Its corresponding measurement in radians is 7 pie

Light travels 300,000,000 m/s, and one year has approximately 32,000,000 seconds. a light year is the distance light travels in one year. state the speed in km/

subtract the fraction and simplify the answer 13/15 - 1/5

nutrition facts part of the label for the calorie listing. how do calorie differ between foods? why? do you recognize any themes have kinds of Calories?

what are the steps to solve this problem C=6/(6+12)*180

What sentence structure can an author use to create a sense of urgency in a text? long, elaborate sentences with multiple clauses and phrases short sentences t

The maginot line was a system of fortifications to protect russia from german invasion. a. true b. false

Help me and I'll do the same :)

What effect did akbar's death have on the mughal empire in india?

Ets is a department of health and human services program to promote health nationwide. true or false