TheGoat52772 TheGoat52772

11-06-2020
Mathematics

contestada

what is does ..... AB=

what is does AB class=

Respuesta :

Jinduja03 Jinduja03

11-06-2020

Step-by-step explanation:

First find the angle BAC

BAC= 180 -(90+50) ( interior angle of triangle is 180)

BAC= 180- 140

= 40 degrees

sin 40= opposite/ hypotaneus

sin 40 = 2/ hyp

0.6427 = 2/ hyp

hypotaneus = 2/ 0.6427

hypotaneus = 3.1118

AB= 3.1118

to nearest hundredth = 3.11

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