Answer:
Triangles A & C are right triangles.
Step-by-step explanation:
Triangles A & C are right triangles because they make a 90 degree angle were a pair of legs intersect. That box in the corner of each triangle indicates that the triangle is 90 degrees, therefore a right triangle.
Sammy its been awhile how are you
(1/2) (4k) + 12 = 2k + 12
Good evening
9(14-5)-42 = 9×9 - 42
= 81 - 42
= 39
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