If h=10cm,c=6cm,b=12cm d=4cm,find the values of each of its parts separately and add to find the area of wxyz.verify it by putting the value of h ,a and b in the expression h(a+b)÷2
Answers
Step-by-step explanation:
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Answer:
Step-by-step explanation:
Area of trapezium WXYZ = Area of traingle with base'c'+area of rectangle +area of triangle with base 'd'
=\left ( \frac{1}{2}\times c\times h \right )+\left ( b\times h \right )+\left ( \frac{1}{2}\times d\times h \right )
=\left ( \frac{1}{2}\times 6\times 10 \right )+\left ( 12\times 10 \right )+\left ( \frac{1}{2}\times 4\times 10 \right )
=\left ( 30 \right )+\left ( 120 \right )+\left ( 20 \right )
=170 cm^{2}
the area WXYZ by the expression
.\frac{h(a+b)}{2}
=\frac{10 \left ( 22+12 \right )}{2}
=\frac{10 \left ( 34 \right )}{2}
=10\times 17
=170 cm^{2}
Hence,we can conclude area from given expression and calculated area is equal.