Answer:
688 cm²
Explanation:
Area of triangular prism = Base × Height + Length × (perimeter of base)
Here given:
- Perimeter of Base: (6 + 12.4 + 12.4) = 30.8 cm
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Surface Area = 6 × 12 + 20 × (30.8) = 688 cm²
Answer:
x = 65°
Step-by-step explanation:
these are vertical angles, which are congruent
145 = 2x + 15
130 = 2x
65 = x
To convert a fraction to percent, divide the numerator (which also means top number) by the denominator (which also means bottom number). Example: To convert the fraction 3/4 to percent, divide 3 (top number) by 4 (bottom number) and the answer is.75.