<span>1/5x+4−2/5x−2
</span>= -1/5x + 2
= 2 - 1/5x
answer
B. 2−1/5x
The answer is C, "ABCD are right angles", because rectangles only have 90 degree angles.
Answer:
1
Step-by-step explanation:
The difference between a number and its successor is 1
Answer:
31.7 cm²
Step-by-step explanation:
The area (A) of the triangle is calculated as
A =
absinC
where a, b are the 2 sides given and C the angle between them
∠ C = 180° - (72 + 59)° = 180° - 131° = 49° , thus
A = 0.5 × 12 × 7 × sin49° ≈ 31.7 cm² ( to 1 dec. place )