((5-2)*180)/5=SPT
SPT=108
360-(108+90)=RPT
RPT=162
((n-2)*180)/n=162
162n=(n-2)*180
.9n=n-2
.1n=2
n=20
Answer:
690,000
Step-by-step explanation:
Answer:
2. ad is the angle bisector of angle a
3. ad is perpendicular to bc
4. both are right angles as given
5. common
6. ASA congruence
If you reflect over the line y = -x, the x-coordinate and y-coordinate change places and are negated (the signs are changed).