solve this please!!!!
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Answer:
R =40√3
Explanation:
Given,
P = 40
Q = 40
Theta = 60°
R=√P²+Q²+2PQCos(theta)
R= √ (40)²+(40)²+2.40.40.Cos(60°)
R = √1600+1600+3200.1/2
R = √3200+1600
R = √4800
R = 40√3
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