Question

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Answer 1

Answer:

1/2 × 100 × h =1500

h = 7.5 mm

Answer 2

Answer:

h = 30 cm or 300 mm

Step-by-step explanation:

to find - perpendicular height - h .

Area = 1500 mm^2 = 150 cm ^2

a = 4.8 cm

b = 5.2 cm

area of trapezium - 1/2 * (a+b) * h

150 = 1/2 * (4.8+5.2)*h

300 = 10h

h = 300/10

h = 30 cm or 300 mm

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