Triangles q r p and x y z are congruent. angle p q r is 72 degrees. the lengths of sides a p and p r are 2.5 inches. angle x y z is 36 degrees. the length of side x y is 1.4 inches. what is the perimeter of δyxz? 3.5 in. 5.3 in. 6.4 in. 7.8 in.

6.4 inches

Step-by-step explanation:

See figure attached.

The perimeter of a triangle is obtained adding the length of all its sides. If the two triangles are congruent, then, all of they sides and angles are equal. Therefore QR = XY = 1.4 inches and PQ = PR = XZ = YZ = 2.5 inches. So, perimeter = QR + PQ + PR = 1.4 + 2.5 + 2.5 = 6.4 inches.

it is true

step-by-step explanation:

all the combinations add up i used   calculator

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x