The sum must be 180 degrees. The single hash mark on the left triangle means that angle is equal to the single hash mark on the right triangle. The same is true for the double hash marks. 56 + 45 + x = 180 101 + x = 180 x = 79
answered: Guest
270 books in each shelves
answered: Guest
answer: no
step-by-step explanation: because the big angle will spread away the 2 side that it is on and make the opposite side even longer.
How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)