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Building Height
Interactive Calculator

A mathematics teacher wants to help his or her students to apply the lesson they are learning about sine law as a triangulation measurement tool. The teacher gather his or her students outside their school building to estimate its height. The teacher uses an improvise protractor to estimate the angle measurement in degree from his or her line of sight to the top corner of the building. The final informations are shown in the figure above. The teacher asks his or her students to estimate the height of their school building using sine law.

Surveying instrument uses the same sine law formula to calculate the height of any objects. This software application also uses the sine law formula to calculate the height of any objects. With this apps you can estimate building height quickly using your smartphone or tablet.

Reviewer on triangulation measurement using Sine Law

HOW TO USE: Enter new number in white button. Answer is shown in blue button.

Given side a = 10 ; Given height of person = 5 Given angle A ° = 10 ; angle B ° = 150 ; angle C ° = 20 Solve for : length of side b = length of side c = height of building = Remember the sum of all angles must be 180° = (10°+150°+20°) Given length of side "a" is, a = Given height of person "p" is , p = A° = B° = C° = b = c = Building Height =

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