Answer:
The sum of the measures of the angles of a convex quadrilateral is 360° as a convex quadrilateral is made of two triangles. Yes, this property also holds true for a quadrilateral which is not convex. This is because any quadrilateral can be divided into two triangles.
Answer:
it is D
Step-by-step explanation:
just reflect by y=-1 its easy
Answer:
-4x - 20= -4x - 20
Step-by-step explanation:
Multiply -4 and x and -4 and 5. It has infinite solutions
