these is another one the width of a rectangular picture is one half the length. the perimeter of the rectangle is 72inches.Find the length of the picture.

Question

2L+2w=72
2L(1/2)+2w=72
2L(5)+2w=72
10L+2w=72
12L+72
L=72
L=12/72
L=6

If width is 1/2 the length, then w = 1/2L.

Answer 1

Basic Geometry



1.



Find the perimeter of a rectangle 19 cm long by 27.8 cm wide.
22




2.



In triangle ABC, angle A = 47°, and angle B = 8°. Find angle C.35







3.



Find the perimeter of a triangle with sides of length 28 cm, 47 cm and 19 cm.
27






4.



In triangle FGH, angle F = 32°, and angle G = 100°. Find angle H.165





5.



Find the circumference of a circle whose radius is 27 in.

(use 3.14 for π).32.0



6.



Find the area of the trapezoid.63







7.



Find the area of a triangular piece of cloth that has a 18 cm base and is 24 cm high.43





8.



Find the area of a circle with a radius of 39 cm (use 3.14 for π).20





9.



Find the area of a rectangle 17 m by 13 m.13





10.



Find the area of the triangle with a base of 27 ft and height of 24 ft:





11.21



Find the volume of the box:







12.



Find the volume of a sphere with a 15 in. radius.10





13.



Find the volume of a cone that is 18 in. high and has a 6 in. radius.24





14.



Find the volume of a cylinder that is 15 in. high and has a 10 in. radius.2





15.



Find the volume of a box that is 12 feet long, 27 feet high and 3 feet wide.39