question The perimeter of a rectangle is 30 units and its length is 10 units What is its width

Math

The perimeter of a rectangle is 30 units, and its length is 10 units. What is its width?

A. 5 units
B. 7 units
C. 8 units
D. 10 units

Perimeter of a rectangle = 2×(length+width)2×(length+width).

If 3�+4=193q+4=19, what is the value of �q?

A. 5
B. 6
C. 7
D. 8

What is the name of a polygon with nine sides?

A. Nonagon
B. Decagon
C. Octagon
D. Enneagon

What is the sum of the angles in a rectangle?

A. 90∘90∘
B. 180∘180∘
C. 270∘270∘
D. 360∘360∘

If the base of a trapezoid is 12 units, and the height is 8 units, what is its area?

A. 40 square units
B. 64 square units
C. 80 square units
D. 96 square units

What is the value of 42÷2342÷23?

A. 2
B. 4
C. 6
D. 8

If �−4=9x−4=9, what is the value of �x?

A. 10
B. 11
C. 12
D. 13

The perimeter of a square is 24 units. What is the length of each side?

A. 4 units
B. 6 units
C. 8 units
D. 12 units

If 3�+2=143x+2=14, what is the value of �x?

A. 4
B. 5
C. 6
D. 7

What is the product of the first 6 prime numbers?

A. 840
B. 960
C. 1020
D. 1120

The area of a circle is 25�25π square units. What is its radius?

A. 3 units
B. 4 units
C. 5 units
D. 6 units