Question

Are my answers correct! Geometry
1) https://media.glynlyon.com/g_geo_2012/4/page95a.gif
If T = 130°, find O=.
....130?



2)https://media.glynlyon.com/g_geo_2012/4/page95b.gif
R, S, T are midpoints of , , and .
If RS = 5, then AC = ...
.....10?

If the perimeter (distance around) of ABC is 20, then the perimeter of RST is .........5?

3)https://media.glynlyon.com/g_geo_2012/4/page95c.gif
If AC = 10, then BD = .....10?
If AC = 12, then BE = ......6?

Answer 1

1.true only
if parallelogram
2.true,
2nd part false ,perimeter is 10 you have written5

Answer 2

what about the first question on number2?
and what about the third?

Answer 3

correct