pleasehelpmelol63 pleasehelpmelol63

18-05-2021
Mathematics

contestada

Find the missing side or angle.
Round to the nearest tenth.
C=53°
B= 80°
a=2
b=[?]

Find the missing side or angle Round to the nearest tenth C53 B 80 a2 b class=

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samuelthankgod samuelthankgod

18-05-2021

Answer:

2.69 approximately 3

Step-by-step explanation:

53⁰+80⁰+A=180⁰(sum of angles on a triangle)

133⁰+A=180

A=180-133

A=47⁰

using sine rule

2/sin 47 = b/sin 80

b sin47 = 2 sin 80

b= 1.9696/0.7314

b=2.69 approximately 3

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