Question

ABCD is a rhombus
a) find the length of CD
b) find each of the angles x,y and z.

Answer 1

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1. as it is a rhombus its all the sides are equal .

so
CD=6 cm

2. we know that opposite angles of a rhombus are equal

so
x=60 degree

and that base angles are supplementary

so

60+y=180
y=180-60=120 degree

again
z=y=120 degree

because opposite angles are equal

Answer 2

Answer:

Step-by-step explanation:

IN a rhombus all four sides are equal So CD=6cm

In a rhombus opposite angles are equal and adjacent angles sum is 180

So x=60

60+60+z+y=360

z+y=360-120

z+y=240

z=y (opposite angles are equal)

2z=240

z=120

y=120