A lawn, ABCDE, has a rectangular part ABDE and a triangular part BCD, as shown below.

Betty jogs once along the boundary of the lawn. What is the total distance Betty jogs?

Question

A lawn, ABCDE, has a rectangular part ABDE and a triangular part BCD, as shown below.
 
Betty jogs once along the boundary of the lawn. What is the total distance Betty jogs?

anonymous · Answer

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anonymous · Answer

151 feet

 116 feet

 96 feet

 161 feet

anonymous · Answer

You simply add the different side lengths together. Since rectangles have pairs of congruent sides, side DE is also 10ft. By adding the values together, you get 161 feet.