Answer: Once
Step-by-step explanation: If you do 100 - 10 you get 90 as result, therefore you don't have 100 anymore making the only logical answer to this "ONCE".
Answer:
Midsegment of a Triangle Theorem
Step-by-step explanation:
D and E are mid points of sides AB and AC respectively.
Therefore, DE || BC
Hence, by Midsegment of a Triangle Theorem

Hi there! To measure the angles, it’s best to have a protractor at hand. In terms of angles, complementary angles equal 90 degrees and supplementary angles equal 180 degrees. I could do this for you, but the angles aren’t always drawn to scale and it’s best to measure the angles out first before you do the other steps.
Answer: The answer is Iπ + √17|.