=(-24÷6)×(-2)+7
=(-3×-2)+7
=6+7
=13
If the diagonals of a parallelogram are congruent, then it's a rectangle .
Answer:
or 0.0000128
Step-by-step explanation:
Add the exponents together
-4+-3=-7
Answer:
15x + 15° = 3x + 9° + 78° (exterior angle is equal to the sum of the opposite interior angles)
15x - 3x = 9° + 78° - 15 °
12x = 72°
12x÷12 = 72°÷12
x = 6