I think the answer is 10, 20, and 4
Answer:
D, All of the above.
Step-by-step explanation:
(A. set fitness goals
B. track performance
C. spot areas for improvement)
mark brainliest ??
The surface area of cone B is 10 km², and Cone B is the image of cone A after dilation by a scale factor of 1/2
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two or more numbers and variables.
Cone B is the image of cone A after dilation by a scale factor of 1/2, hence:
Surface area of cone B = 40 km² * (1/2)² = 10 km²
The surface area of cone B is 10 km², and Cone B is the image of cone A after dilation by a scale factor of 1/2
Find out more on equation at: brainly.com/question/2972832
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Answer:
5/8
Step-by-step explanation:
Area for a triangle
A=1/2bh
15/32=3/4h
5/8 = h