julie14gl julie14gl
  • 08-04-2020
  • Mathematics
contestada

What is BD?
A. 10
B. 12
C. 13
D. 14

What is BD A 10 B 12 C 13 D 14 class=

Respuesta :

PollyP52 PollyP52
  • 14-04-2020

Answer:

B 12.

Step-by-step explanation:

BE = ED  (as E is the center of BD - property of a kite).

By Pythagoras:

10^2 = 8^2 + BE^2

BE^2 = 10^2 - 8^2 = 36

BE = 6

So BD = 2*6 = 12.

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