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Tan tetha = 8/15 ,if PQ=16 …

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Tan tetha = 8/15 ,if PQ=16 cm,then the length of PR is

Posted by P Singh 5 years, 3 months ago

CBSE > Class 10 > Mathematics

1 answers

Gaurav Seth 5 years, 3 months ago

taking x instead of tita

tan x = 8/15

tan x = PQ/QR

PQ/QR =8/15
16/QR = 8/15
16 x 15/8=QR

therefore ,QR = 30 m

PQ² + QR² =PR2
16² + 30²= PR2
256 + 900= PR²
1156=PR²
PR= root 1156
PR = 34 m

1Thank You

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