This is the Lab for Chapter 7, this assigment is due Friday 22/Nov.
Chapter 7
Mountains and Hills
7A How High?
Equipment:
Protractor
Centimeter ruler
String 40cm
Weight (Large Nut)
Large diameter drinking straw
Tape measure (15m or longer)
Procedure: Look at the two triangles
show below. (Draw a line from one top corner to one down corner to draw the triangle)
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Using a
protractor measure the angle X, also record the measurements.
a________ a ________
b________ b_________
c________ c_________
X________ X_________
1. What do you notice about angle x of
each triangle?
2. What do you notice about the sides?
3. Find a tall object, measure 10m from
the object´s base. (Be cautious with traffic and not getting in the way of
people). Stand at 10M, location and look through the straw. Tilt the protractor
until you see the top of the object. Have someone to look at the string, which
will be hanging straight down. Record the numbers between 0-90.
________________________________________
4. Subtract the number from 90. ____________________________
5. Draw a triangle with the angle you
got. The 10m will be your based, draw 10cm.
6. What is the measurement of the b
side of the new triangle? ________________________
7. Multiply the number form the
previous answer by 100, that is the scale 1:1, give the actual height of the
object in meters.
