There are ~48 questions on the PSAT for the math sections.
~
Step-by-step explanation:
R = 6.5cm and r = 2.3 cm
area of the shaded region = area of the outer circle - area of the inner circle
= πR²-πr²
=π(R²-r²)
=π{(6.5)²-(2.3)²}
=π (42.25-5.29)
= 3.14× 36.96
= 115.866
= 116 cm²
Answer: 27a
Step-by-step explanation:
1. Simplify 4a×6 to 24a.
24a+3a
2. Simplify.
27a
Answer:
well, there are three possible answers. 24 square cm, 18 square cm, and 12 sqaure cm.
Step-by-step explanation:
L*W is base, and base times H, Height, gives you the volume of a three dimensional shape. The base depends on what the height is, so if there was a diagram i would be able to help you more. Its either 6*4 with 3 height, 6*3 with 4 height, or 3*4 with 6 height.
Since the question is so vague, I am not sure if thats what you are asking, so heres another answer: you want the combined total of the rectangle if you were to flatten it out. If so, then you have two 24 square cm sides, two 18 square cm sides, and two 12 cm sides. Add this up and you get the total area.
12*2+18*2+24*2 = 108
