Sunday, January 27, 2013

TRAPEZOID



TRAPEZOID



THE AREA OF A TRAPEZOID


 A = (a + b) h / 2 ( just ignore c and d coz it will just follow the same result)













1. Find the area of a trapezoid that stands 6 meters whose top measures 5 meters and the bottom 11 meters.

Given: 

a = 5 m
b = 11 m
h = 6 m

Required: Area

Solution: ( substitute the values provided from the given)

 A = (a + b) h / 2 = (5 m + 11 m)( 6 m) / 2 = 48 sq. m. ; final answer

2. The height of a trapezoidal shape figure measures 10 inches with the base measures 12 inches and its top 9 inches. What is the area of the figure?


Given: 

a = 9 in
b = 12 in
h = 10 in

Required: Area

Solution: ( substitute the values provided from the given)

 A = (a + b) h / 2 = (9 in + 12 in)( 10 in) / 2 = 105 sq. in. ; final answer






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