kathyduglas
kathyduglas kathyduglas
  • 25-06-2020
  • Mathematics
contestada

Help me plz:(

It’s just 22-24

Help me plz Its just 2224 class=

Respuesta :

Аноним Аноним
  • 25-06-2020

Answer:

1) 5.9

2) 8.1

3) 54

Step-by-step explanation:

A is opposite, so we have sine 36=a/10

sine 36(10)=a

a=5.9

B is adjacent, so we have cosine 36=b/10

cosine 36(20)=b

b=8.1

Angles of a triangle add to 180

we have a angle of 36 and a right angle which is 90

36+90=126

180-126=54

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