derrick drew a regular pentagon with side lengths of 8 centimeters. he divided the pentagon into 5 identical triangles, and measured the height of one of the triangles to be 5.5 centimeters. find the area of the pentagon.

Use the following statements to write a compound statement for the conjunction or disjunction. then find its truth value. p: an isosceles triangle has two congruent sides. q: a right angle measures 90° r: four points are always coplanar. s: a decagon has 12 sides. a) a right angle measures 90° or an isosceles triangle has two congruent sides; true. b) a right angle measures 90° and an isosceles triangle has two congruent sides; true. c) a right angle measures 90° and an isosceles triangle does not have two congruent sides; false. d) a right angle measures 90° or an isosceles triangle does not have two congruent sides; true.

What is 6/10 rounded to the nearest half

Write the equation of the circle centered at (10,-2) with radius 2.