Answer:
12.6 m^2
Step-by-step explanation:
area of sector = 90/360 × 3.14 × 4^2
= 12.56
to the nearest tenth = 12.6 m^2
Answer: 
Step-by-step explanation:
By definition, a Dilation is a transformation in which the image has the same shape as the pre-image but size changes.
The center of dilation is a fixed point in the plane, and the scale factor is the ratio of the corresponding sides of the image to the pre-image.
Based on the information provided in the exercise, you know that:

Thererefore, you can determine that the scale factor is:
Answer:
b = 21
Step-by-step explanation:
By the Pythagorean Theorem, which states that if you have a right angle with legs of a and b, and a hypotenuse of c, then a^2+b^2=c^2. Use this on the right triangle in the diagram to get 841 = 400 + b^2, or 441 = b^2 and b = 21.
Note: I think that the 1st diagram was unnecessary. ;)
4 times 6 equal 24 and 5 times 7 is 35 and 2 times 1 is 2 so 35+24+2 and it equals 61
Answer:
b
Step-by-step explanation:
because im amazing and right and its prob not right but you know i guess you can i dont knwo