a =
102 mm, b = 7.8 cm and h
a + b/3
cm.
Answers
Answered by
0
Answer:
area of trapezium = 1/2×[ a+b] × h
= 1/2 ( 102+7.8)×(102+7.8÷3)
=1/2×109.8×36.6
=2009.34
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