the perimeter of a Trapezium is 52 cm and its non parallel side is equals to 10 cm with its height 8 cm find its area
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21
Answer: 128 cm sq.
Step-by-step explanation:
From Pythagoras\' theorem
10² = 8² - x²
x² = 36
x = 6
so, base of the right-angled triangles is 6cm.
The shorter parallel side of the trapezium = x,
The longer parallel side will = x + 2*6 = x + 12
P = x + x + 12 + 10 + 10 = 52
2x = 20
x = 10
Finally the side lengths of the trapezium are 10, 10, 10 and 22.
A = h/2(a + b)
= 8/2 x 32
= 4 x 32
= 128cm²
Happy learning !!
rahulraj224:
10 10 10 kese aya
because both the non parallel sides are 10 and 10 each
Answered by
2
Answer:
128cm
Step-by-step explanation:
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