Question

A jewelry designer used a metal wire to make a kite-shaped earring. A sketch of the geometric figure she used is shown below.

What is the measure of ?

40o

60o

30o

20o

Answer 1

wheres the sketch?

Answer 2

@wangkan07

Answer 3

which angle? D?C?

Answer 4

C

Answer 5

HINT: angle B is congruent to angle D because of the line symmetry in the kite.
also, what do you know of the sum of the interior angles of all quadrilaterals?

Answer 6

they add up to 360 degrees.

Answer 7

so you can do this

Answer 8

angle B and D are concruent

Answer 9

what do you get when you add 140 and 140?

Answer 10

280?

Answer 11

then add 60

Answer 12

340

Answer 13

then do 360-340 then you get the answer

Answer 14

20

Answer 15

yes

Answer 16

awesome thanks :)