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Points P, Q, R, S, and T lie on a circle of radius 2, as shown below.  Find [PQRST].

 

 Nov 29, 2021
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OQ => r

∠OQU = 54º

QU = cos(θ) * r

OU = sqrt(r2 - QU2)

[PQRST] = 5(QU * OU)

 Nov 30, 2021

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