Can I please have some help on this?!

15 cm

Step-by-step explanation:

Area of the triangle = 1/2bh = 1/2×18×10 = 90cm²

Area of parallelogram = 3 × Area of triangle = 3 × 90 = 270cm²

Area of parallelogram = base × height

270cm² = b × 18

b = 270/18

b = 15 cm

answer: the answer is 127 degrees

ok so the answer to your question is simple as long as you look at the different dimensions that contain the exemplary letters that combined in the right order give you words that eventually within the 5th dimension will conform and give you the correct answer to your question. hope i , stop looking at this easily, look at it with a spectral view.

step-by-step explanation:

told you