1440 tons of grain were brought to a silo over two days. on the second day, 80% of the amount of the grain delivered during the first day was brought in. how many tons of grain were delivered to the silo on the first day?

The radius of the circle is 4 cm and the measure of the central angle is 90° the area of the sector with a central angle measuring 90° and radius of length 4 cm is vt cm the triangle in the sector is 4 cm the area of the triangle is v/cm² the area of the segment of the circle is (471 - ) cm?

This question awards 100 ! i really don’t want to fail i will also mark you !

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.