it is 10...,,,,....,,,,,,,,,,?,,?????
Hey there!
<u>Opposite sides are congruent:</u>
all of them
<u>opposite angles are congruent</u>
rectangle and square
<u>all sides are congruent</u>
rhombus and square
<u>diagonals congruent:</u>
rectangle, rhombus, and square
<u>diagonals are perpendicular</u>
square and rhombus
Have a terrificly amazing day!
Answer:
47
Step-by-step explanation:
The diagonals of a parallelogram bisect in their middle point, so :
2u + 9 = 5u - 48
3u = 57
u = 19
EI = 5* 19 - 48 = 47