B D are the correct options hope this is useful
Answer:
Part 1) The lateral area is
Part 2) The surface area is
,
Step-by-step explanation:
step 1
Find the lateral area of the cone
we know that
The lateral area of the cone is equal to
we have
substitute
step 2
Find the surface area of the cone
we know that
The surface area of the cone is equal to
we have
substitute
Answer:
Step-by-step explanation:
Answer:
The first and last answer.
Step-by-step explanation:
If you look closely at the triangles you can tell which ones are the same and which differ.
Hope this helps!! <3
Answer:
Step-by-step explanation:
First consider the unknown original price as 'x'.
Then consider the rate of discount.
To find the actual discount, multiply the discount rate by the original amount 'x'.
To find the sale price, subtract the actual discount from the original amount 'x' and equate this to given sale price.