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Ber [7]
3 years ago
7

What is the area of a trapezoid with a slant height of 5 cm and bases of lengths 7 cm and 13 cm,

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0

Answer:

50

Step-by-step explanation:

1/2 *H(l1+l2)

1/2*5(7cm+13cm)

1/2*5*20

1/2*100

50

RoseWind [281]3 years ago
4 0

Answer:

A = 40 cm²

Step-by-step explanation:

As we are given only one slant height, we must assume the trapezoid is isosceles.

The longer base extends beyond the shorter by (13 - 7)/2 = 3 units

the height is therefore

h = √(5² - 3²) = 4

A = ½(b₁ + b₂)h = ½(13 + 7)(4) = 40

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