We have to construct a triangle DEF with EF = 7 cm. It is given that we have to make an angle of 50⁰ at E and at F.
Steps to make a triangle DEF:
Step 1: Draw a line segment EF equal to 7 cm, using a ruler.
Step 2: Put the center of the protractor on the one end of the line segment that is at E and make the given angle that is 50⁰.
Step 3: Make the angle of 50⁰ at F by using protractor.
Step 4: Extend the line from E and F in the direction of 50⁰. After extending the line segments, we get an intersection point, name that point D..
Step 5: The point D, is made from the intersection of the line segment from E and F.
Step 6: Hence, triangle DEF is constructed.
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Answer:
2.64
Step-by-step explanation:
x² + 6= 13
x² = 13-6
x²= 7
x = square root of 7
x = 2.64
Volume of cone :
Now, let's plug in the values as per the diagram ~
The answer is D because when you insert it into a calculator it gives you D. Yet, if you do it manually you still get the same number .
