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Math·Geometry and Trigonometry·Lines, angles, and triangles

hard

The measure of angle F is 145 degrees. The measure of angle G is $7\pi /18$ radians less than the measure of angle F. The measure of angle H is 10 degrees more than the measure of angle G. What is the measure of angle H, in radians?

A

$48\pi /36$

B

$17\pi /36$

C

$25\pi /18$

D

$19\pi /18$