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a. 12.3
b. 8.1
c. 0.1


A 123 B 81 C 01 class=

Sagot :

Answer:

a

Step-by-step explanation:

tan(39⁰)= opposite ÷ adjacent

0.8097= 10 ÷ x

X = 10 ÷ 0.8097

X = 12.3