I counting eco stairs my first number is - 5 my fifth numbers 3 - 5 writing the correct the correct number for the third card​

What situation is an example of an observational study

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?

Select the lengths in centimeters that would form a right triangle