Answer:
The surface area is
Step-by-step explanation:
we know that
The surface area of a square pyramid is equal to the area of the square base plus the area of its four lateral triangular faces.
so
we have
substitute the values
Answer: D
Explanation: It’s going from least to greatest.
Answer:
7.2 m²
Step-by-step explanation:
The area of a triangle is Bh/2
The diagram may fool you but its just 3*4.8/2 because the base is 3 and height is 4.8
so 14.4/2= 7.2 m²
Answer:
2/3= 14/21....red beads...4/21 blue beads...14+4= 18/21...so you need 3/21 more to finish the necklace and 3/21=1/7 in white beads
Step-by-step explanation: