Round 40.078 to the nearest whole number

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Can someone me with the property questions for 12 13 and 14 plz