Answer: The answer is 60 square inches.
Step-by-step explanation: Given that Danny has a triangular pyramid where all the four triangles are congruent. The height and base of one triangle are 6 inches and 5 inches respectively. We are to find the surface area of the pyramid.
The area of one triangle is given by

Since the pyramid consists of four congruent triangles, so the surface area of the pyramid will be

Thus, the answer is 60 sq. inches.
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Answer:
B
Step-by-step explanation:
you have to make chart. You have to add 1.25 to your total every 6 months.
- Start $15.50
- 6 months $15.75
- 12 months $18.00
- 18 months. $19.25
Answer:
Step-by-step explanation:
Convert mixed fraction to improper fraction.
÷
=
÷ 
Now use K C F method
K - Keep the first fraction
C - Change the division operation to multiplication
F- Flip the second number
