AB =
Round your answer to the nearest hundredth.
B.
20°
?
7
C С
А
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Step-by-step explanation:
A is 20+90+A=180. A=70 (corner)
So the sine of 20 is 0,3420
So we have
Sine of 20 =CA÷7 => CA is 2.3 so you should write 3