Solve the following problems. 1. Marie calculates that she takes on average, 28 paces to cover 20 m. She decides to help her parents measure their back yard and the garden bed it contains. She makes some notes as shown here. 43 paces 12 paces Backyard 38 paces 21 paces Garden 1 21 1701 26 paces Use the sketch to calculate: a. the dimensions of the backyard. HOUSE FENCE