Step-by-step explanation:
all angles of a triangle sum to 180
180 = 15x + 24x +21x
180=60x
solve for x
then substitute that for 24(x) to get the angle
Answer:
the answer is 2.25
Step-by-step explanation:
you divide 6.75÷ 3
Answer: B. 8 x 10^3
Step-by-step explanation: