Page 267 - NUMINO_WB_6B
P. 267
125_G6U27_WB˜ ˙—» ¿º 2011.6.23 3:44 PM ˘ ` 21 125-P4-1
1. Find the difference of angle b and a.
75
25
ba
2. Find the unknown angles.
60
a 35
b
c
90
45 45
1. Find the difference of angle b and a.
75
25
ba
2. Find the unknown angles.
60
a 35
b
c
90
45 45
