7. The short sides of a parallelogram are both 12.0 cm. The acute angles of the parallelogram are 65°, and the short diagonal is 15.0 cm. Determine the length of the long sides of the parallelogram. Round of a centim

Mathematics For Machine Technology
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Author:Peterson, John.
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Chapter61: Areas Of Circles, Sectors, And Segments
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Question 7 

nint
D
DRG PreAns
x10 Ans
0.3 m
J
7. The short sides of a parallelogram are both 12.0 cm. The acute angles
of the parallelogram are 65°, and the short diagonal is 15.0 cm.
Determine the length of the long sides of the parallelogram. Round
your answer to the nearest tenth of a centimetre.
8. An architect designed a house that is 12.0 m wide. The rafters that
hold the roof are equal in length and meet at an angle of 70°,
up
as shown at the left. The rafters extend 0.3 m beyond the supporting
wall. How long are the rafters?
form an angle of 60°. On the ground,
9. A telephone pole is supported by two wires on opposite sides.
the wi
wires
the
of the
Transcribed Image Text:nint D DRG PreAns x10 Ans 0.3 m J 7. The short sides of a parallelogram are both 12.0 cm. The acute angles of the parallelogram are 65°, and the short diagonal is 15.0 cm. Determine the length of the long sides of the parallelogram. Round your answer to the nearest tenth of a centimetre. 8. An architect designed a house that is 12.0 m wide. The rafters that hold the roof are equal in length and meet at an angle of 70°, up as shown at the left. The rafters extend 0.3 m beyond the supporting wall. How long are the rafters? form an angle of 60°. On the ground, 9. A telephone pole is supported by two wires on opposite sides. the wi wires the of the
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