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Mathematics 12 Online
OpenStudy (anonymous):

What is the value of x in the rhombus below? (Picture below.)

OpenStudy (anonymous):

jimthompson5910 (jim_thompson5910):

each triangle is a right triangle so those two angles marked are complementary angles

jimthompson5910 (jim_thompson5910):

which means they add to 90 degrees

OpenStudy (anonymous):

(4x+1)(x-6)=90?

jimthompson5910 (jim_thompson5910):

(4x+1)+(x-6)=90

jimthompson5910 (jim_thompson5910):

now solve for x

OpenStudy (anonymous):

x=19. Thanks!

jimthompson5910 (jim_thompson5910):

x = 19 is correct

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