A Pyramid model skyscraper has a triangular base that has a length of 75 feet and a heigh of 20 feet. The height is 85 feet. Determine the volume of the building.

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).