Geometry: An Interactive Journey to Mastery



9. Solve for xyDQGz in Figure 7.23.


10. )LOOLQWKHPLVVLQJGHWDLOVRIWKHIROORZLQJSURRIͼ௘6HHFigure 7.24௘ͽ
    *LYHQ.
    .
    ac
    ed

‘#‘

‘#‘

Prove: MO TH||.
Proof
i. ‘#‘cdEHFDXVHWKH\DUH
.
LL 6RZLWKWKLVDQGWKHJLYHQVZHKDYH
‘#‘‘#‘ ‘#‘accdd e
 IURPZKLFKZHGHGXFH‘#‘ae.
LLL 7KXVMO TH|| EHFDXVH.

3 y

y^2 y

x

z

55 160 140

Figure 7.23

M

O

U

T

H

d

e

f

a

b

c

Figure 7.24