Can someone please please help me!!
1 answer:
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Answer:
Step-by-step explanation:
Use the formula for the area of a triangle,
Area of a triangle =
7). Area of the triangle =
= 74 km²
8). Area of the triangle =
= 30.8 cm²
9). Area of the triangle =
= 56 m²
10). Area of the triangle =
= 42.35 km²
Answer:
Given:-
The length of copper wire (L) = 270 cm
Area of cross-sectional (A) = 0.030
and specific resistance (ρ) = ohm-cm.
Use the formula R=(Specific resistance*L)/A, to calculate the Resistance(R)
then, ohm
Simplify:
R = 0.0162 ohm = ohm
Therefore, the resistance of copper wire is, Ω