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3 years ago

5

Find the area of Pentagon ABCDE in which BL perpendicular to AC, CM perpendicular to AD, EN perpendicular to AD such that AC = 8

cm, AD = 12 cm, BL = 4 cm, CM = 6 cm and EN =5cm.

1 answer:

deff fn [24]3 years ago

6 0

Answer:

Area ABCDE = 82 cm²

Step-by-step explanation:

ABCDE = ΔEAD + ΔDAC + ΔCAB

ABCDE = (12×5)/2 + (12×6)/2 + (8×4)/2 = 30+36+16 = 82

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