A. Find the perimeter of DABC to the nearest tenth.

b. What are the midpoints of AB, BC and CA?

C. Find the perimeter of the triangle whose
vertices are the midpoints of DABC. Round
to the nearest tenth.

d. Compare the perimeter of DABC to the perimeter of the
triangle whose vertices are the midpoints of DABC.

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels