SOLUTION: What is the area of the trapezoid with lower base of 12 cm, upper base of 8 cm if a leg 4 cm long makes an angle of 60 degrees with the lower base?

Question 252275: What is the area of the trapezoid with lower base of 12 cm, upper base of 8 cm if a leg 4 cm long makes an angle of 60 degrees with the lower base?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What is the area of the trapezoid with lower base of 12 cm, upper base of 8 cm if a leg 4 cm long makes an angle of 60 degrees with the lower base?
:
Area of trapezoid: A =
where
a = 12
b = 8
we have to find h
We can use the sine of 60 to find h
sin(60) =
.866 =
h = .866 * 4
h = 3.46 cm
:
A =
A =
A =
A = 34.64 sq/cm
:
Hope this made your Christmas Merry!
RELATED QUESTIONS
the lower base of a trapezoid is x+7 cm and the upper base is x+4 cm. if the distance... (answered by mananth)

A trapezoid has a lower base which is twice as long as its parallel upper base. The upper (answered by unlockmath)

The length of the lower base of a trapezoid is 2 cm. longer than the length of the upper... (answered by greenestamps,ikleyn)

The altitude of an isosceles trapezoid is 20cm. If the lower base is 10cm longer than the (answered by elima)

the altitude of an isosceles trapezoid is 20cm. if the lower base is 10cm longer than the (answered by jojo14344)

the altitude of an isosceles trapezoid is 20cm. If the lower base is 10cm longer than the (answered by jojo14344)

The longer diagonal of a right trapezoid is 13 cm. The longer base is 12 cm. Find the... (answered by ikleyn,MathTherapy)

One base of a trapezoid is 8 cm longer than the other. The height of the trapezoid is 2... (answered by ankor@dixie-net.com)

A rain gutter is 10 feet long. Its cross section is a trapezoid with an upper base of 5... (answered by Theo)