The dimensions of triangle a are twice the dimensions of triangle b. the area of triangle b is 18 cm2. what is the area of triangle a?

Josephine has a great garden with and area of 2x2 + x - 6 square feet

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

An angle that measures between 90 and 180° is called a(,