Question

solve this question 11 please

Answer 1

Area of Trapezoid = Sum of parallel sides/2 * Height
A=20+10/2*13
A=195cm²

Answer 2

area of trap. = 1/2 × height × ( sum of parallel sides)
height = 12cm ( by pythagoras theorem)
$area = \frac{1}{2} \times 12 \times (10 + 20)$
$= 6 \times 30 {cm}^{2}$
$= 180 {cm}^{2}$
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