Answer:
D. 420
The area of a triangle is
half of(base× height)
10×16= 160
160÷2=80
That is the surface area of ONE triangle.
multiply 80 by 4 to get 320
then find the surface area of the square by doing length×width to get 100
Finally add them together
320+100=420
1/10 of 500 is 50 so the answer is 5
Andrew types faster than Jade
40/7 = 5.7 words per minute (Jade)
35/6 = 5.8 words per minute (Andrew)
May I have brainliest please? :)
Answer: B. 3n + 9
Step-by-step explanation:
there are 3 with an unknown value so it is 3n and there are 9 pieces that are each equal to 1 witch makes it 3n+9. hope this helps have a good day
