Asked by UDU

XYZ IS AN ISOSCELES TRIANGLE \XY/=\XZ/=6CM AND YXZ=100 CALCULATE \YZ/ CORRECT TO 2s.f
Answered by oobleck
use the law of cosines
YZ<sup><sup>2</sup></sup> = 6<sup><sup>2</sup></sup> + 6<sup><sup>2</sup></sup> - 2*6*6*cos100°

AND STOP SHOUTING!
Answered by Alameen
9.2
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