Question

in the given figure, angle D = 90°, AB = 16 cm, BC = 12 cm and CA = 6 cm. find CD. ​

Answer 1

Answer:

d =90 ,ab 16 cm ,bc 12 then cd will be 90 degree

Answer 2

Answer:

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so here we go

Step-by-step explanation:

now here angle d=90 (given)

also considering triangle acb

we can conclude that angle acb>90

so hence as in triangle acb which includes an obtuse angle and moreover a perpendicular

we can apply here

obtuse angle triangle containing a perpendicular property for triangle acb

so hence we get

AB square=AC square+BC square+2BC.CD

so substitute given values in it

so we get

(16)square=(6)square+(12)square+2×12×CD

ie 256=36+144+24CD

so 256=180+24CD

thus now

24CD=76

CD=76/24

hence CD=19/6

hence value of CD is 19/6 or 3.334 cm