Pythagoras

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Question 16
Hard

ABCD ABCD\,ABCD is a right-angled trapezium. AB AB\,AB is parallel to DC DC\,DC and angle DAB=90∘DAB = 90^\circDAB=90∘.

Diagram of a right-angled trapezium ABCD with side AB = 11 cm, side AD = 12 cm, and side DC = 16 cm.

AB=11AB = 11AB=11 cm, AD=12AD = 12AD=12 cm, and DC=16DC = 16DC=16 cm.

Calculate the length of BCBCBC.

[3]

Pythagoras Questions

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