find the area of ABCDEF from the adjoining figure
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Step-by-step explanation:
CDEF is a rectangle
ABCF is a trapezium
the area of CDEF = length × width
= (18×16) square cm
= 288 square cm
in ABCF,
The parallel lines are, AB,a = 28 cm
CF,b = 16 cm
The perpendicular distance between AB and CF,h = (43-18) cm
= 25 cm
the area of ABCF = 1/2×(a+b)×h
= 1/2×(28+16)×25 square cm
= 550 square cm
Total area of ABCDEF = area of ABCF + area of CDEF
= (288+550) square cm
= 838 square cm
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