Find the area of a sector with central angle 5?/4 and a radius of 8.21m.

What will be an ideal response?


132.3 m²

Mathematics

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Evaluate the integral.

A. ?2
B. ?2
C. ?2
D. ?2

Mathematics

Write the number in standard form.One millimeter is equal to 1 × 10-6 kilometers.

A. 1,000,000 B. 0.00001 C. 0.000001 D. 0.0000001

Mathematics

Solve the triangle.a = 9, b = 15, c = 4

A. A ? 31.2°, B ? 43.3°, C ? 105.5° B. A ? 62.4°, B ? 86.4°, C ? 15° C. A ? 31.2°, B ? 62.4°, C ? 86.4° D. No triangles possible

Mathematics

Simplify the complex fraction. ? ?

A.
B. ?
C. ?
D. ?
E. ?

Mathematics