Academics – Mathematics : 2023/JUL/08
Question
Q8. A church has a dray sandstone wall with THREE arched windows as shown in Fig Q8(b).
EACH of the THREE windows are as shown in Fig Q8(a).
The curved edge of each window is part of the parabola with equation y = 8x - 2x2
a) the area of each window. (7)
b) the area of the sandstone (5)
c) the height of the bottom of each window from the ground. (4)
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