What is the perimeter of DEF to the nearest tenth?

DFE is a right angle triangle. The length of DE is 18. Angle D is 38 degree and angle E is 52 degree.

A. 19.4

B. 20.1

C. 25.3

D. 43.3

An equation where variables are used to represent known values—function notation true or false

(05.08a)triangle abc is transformed to similar triangle a′b′c′ below: a coordinate plane is shown. triangle abc has vertices a at 2 comma 6, b at 2 comma 4, and c at 4 comma 4. triangle a prime b prime c prime has vertices a prime at 1 comma 3, b prime at 1 comma 2, and c prime at 2 comma 2. what is the scale factor of dilation? 1 over 2 1 over 3 1 over 4 1 over 5

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons