This trapezium is drawn on a centimetre grid.
Find the area of the trapezium.
​

20 cm^2

Step-by-step explanation:

A= 1/2 ×height

height = 4 cm

sides S1= 7cm

S2= 3cm

A= 1/2(7+3)4

=5×4

=> 20 cm

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step-by-step explanation:

the 8 in 8,420 is in the thousands place so it's value is 8 thousand.

the 8 in 6,870 is in the hundreds place so it's value is 8 hundred.

divide 8000 by 800 to find the answer:

8000 / 800 = 10

the 8 in 8,420 is 10 times greater than the 8 in 6,870