How is the product of 3 and –2 shown using integer tiles?
2 answers:
Answer:
-6
Step-by-step explanation:
Solution :
Since we are given that 3 * -2
SInce 2 has negative sign so will make groups of two negative signs
Since 3 is positive so we will make 3 groups of 2 negative signs (refer the attached figure)
So, there are three groups of two negative signs so there will be 6 negative signs.
Thus the answer will be -6
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Answer:
384 cm²
Step-by-step explanation:
Since it is a square pyramid, the total surface area of the pyramid is the area of its square base plus the area of its 4 triangular faces.
Area of a triangular face
= ½ ×12 ×10
= 60 cm²
Base area of pyramid
= 12 ×12
= 144 cm²
∴ Surface area of pyramid
= 4(60) +144
= 240 +144
= 384 cm²