Question

A triangular pyramid is formed from three right triangles as shown below.

Use the information given in the figure to find the length BD.
If applicable, round your answer to the nearest whole number.
The lengths on the figure are not drawn accurately.
B
51
O
1
D
1
1
1
1
1
A
1
-
25
С
HELPPP

Answer 1

70

Explanation:

RU=20 (45-45-90 triangle)

use pythagorean theorum

20^2+b^2=73^2

evaluate

b^2=4929

sq root both side

rounded to nearest integer, side SU is 70