Find the scale factor and ratio of perimeters for a pair of similar trapezoids with areas 81 cm² and 49 cm².
9
The scale factor is
(Simplify your answer.)
The ratio of perimeters is (Simplify your answer.)

Can someone help me solve this??

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Convert 2000 swiss francs to dutch guilders

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?