Use the formula for the area or circumference of a circle to solve the problem. Where applicable, express answers in terms of ?.Find the area of the circle.

A. 121? cm2
B. 44? cm2
C. 15? cm2
D. 22? cm2


Answer: A

Mathematics

You might also like to view...

Write the given Chinese numeral as a Hindu-Arabic numeral.

A. 257 B. 2057 C. 266 D. 268

Mathematics

Solve.The aerial view of a roof is shown in the figure. (a) How many squares (100 sq ft) of shingles are needed for the roof? (b) How many feet of gutters are needed?

A. (a) 3 squares, (b) 70 ft B. (a) 3 squares, (b) 75 ft C. (a) 4 squares, (b) 75 ft D. (a) 4 squares, (b) 70 ft

Mathematics

Identify the equation without applying a rotation of axes.10x2 - 10xy + 3y2 - 3x - 3y + 4 = 0

A. parabola B. ellipse C. hyperbola D. circle

Mathematics

Find the region that contains ordered pairs that are solutions to both inequalities.2x + y ? 4 and x - 1 > 0

A.

B.

C.

D.

Mathematics