Questions With Verified Answers
Area of Triange
A=1/2bh
Area of a circle
A=πr²
Volume of a rectangular solid
V=lwh
Volume of a cylinder
V=πr²h
Volume of a sphere
V=4/3πr³
Volume of a pyramid
V=1/3Bh
Volume of a cone
V=1/3πr²h
Circumference of a circle
C=2πr
Pythagorean Theorem
a²+b²=c²
Calculating the weight of an object
Determine the volume of the object then multiply the volume by weight provided.
Engineer's scale
Has several scales, into each of which is divided into 10,20,30,40,50, or 60 parts. These scales can be
used to check drawings.
Architect's Scale
A specialized ruler used in making or measuring reduced scale drawings. It is marked with a range of
calibrated ratios used for laying out distances, with scales indicating feet, inches, and fractions of
inches. Used on drawings other than site plans.
mathematical tables
Simplify or eliminate the long calculations that are often necessary in mathematical problems. If they
are used, solutions for larger units easily be calculated.