Answer:
530.66 mm²
5.3066 cm²
Step-by-step explanation:
A = π·r²
= 3.14×(13mm)²
= 3.14×169mm²
= 530.66 mm²
= 5.3066 cm²
Answer:
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Step-by-step explanation:
Answer:
These are all mathematical divisions of time. Fractions are used in music to indicate lengths of notes. In a musical piece, the time signature tells the musician ...
step-by-step equations:
Music is made up of all sorts of rhythms, and each rhythm can be broken down into smaller pieces: measures, which are fractions of rhythmic phrases, and beats, ...Step-by-step explanation:
Answer:
Step-by-step explanation:
ΔPQS, ΔRQP and ΔRPS are similar (AA). Therefore the sides are in proportion:
We have:
Substitute:
<em>cross multiply</em>
Use the Pythagorean theorem:
Substitute:
