Draw the triangle (ABC)
Draw an altitude from vertex (A) perpendicular to side (BC)
Draw an altitude from vertex (B) perpendicular to side (AC)
Draw an altitude...
Draw a straight horizontal line segment
Mark its midpoint
Construct a perpendicular line through the midpoint
Choose a point on the perpendicular line above the segment
Draw equal-length...
Draw the angle with a compass and straightedge
Place the compass point on the angle’s vertex
Draw an arc that intersects both sides of the angle
Label...
Identify the shape
Find the correct volume formula
Measure or note all required dimensions
Substitute the values into the formula
Calculate the result
Include units cubed
Check the answer for...
Identify the shape
Find the correct area formula
Measure or note the needed dimensions
Substitute the values into the formula
Calculate the result
Include square units in the final...
Identify the shape
Measure or find the needed side lengths
Use the perimeter formula for the shape
Add all side lengths to find perimeter
Use the area formula...
Identify the given information: sides, angles, or both
Determine whether the triangle is right, acute, or obtuse
Use the Law of Sines if you know one...
Use the area formula: (A=frac{1}{2}(b_1+b_2)h)
Solve for height: (h=frac{2A}{b_1+b_2})
If the area and both bases are known, substitute the values into the formula
If the trapezoid is...
Use the area formula: (A = b times h)
Rearrange to find height: (h = frac{A}{b})
Identify the base length
Identify the area of the parallelogram
Divide the...
Find the length, width, and height of the rectangular prism.
Calculate the area of each pair of opposite faces:
Front and back: length × height
Top and...
Measure the length, width, and height of the rectangular prism
Use the formula: Surface Area = 2(lw + lh + wh)
Multiply length by width
Multiply length...
