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4th observation TRIANGLE MATH.pptx
- 1. Finding the Areaof a Triangle
- 2. 10 cm 5 cm (base) (height) A=b x h A= 10cm x 5cm A= 50 cm2
- 3. How many trianglesdo you see?
- 4. How about this,how many triangles do you see?
- 6. “The Mayon Volcanosituated at Daraga,Albay is said to have the perfect cone or triangular shape. Its base ranges about 13km and its height of about 8km. What is the area of the Volcano?”
- 7. Area of atriangle 5 cm 8 cm A= b x h / 2 A= 5 cm x 8 cm /2 A= 40 cm2 /2 A= 20 cm2 A= bxh 2 b- base & h- height
- 9. 20 cm A= bx h / 2 A= 20 cm x 10 cm / 2 A= 200 cm2 / 2 A= 100 cm2 10 cm
- 10. 10 cm 15 cm A=b x h / 2 A= 10 cm x 15 cm / 2 A= 150 cm2 / 2 A= 75 cm2
- 11. Try them yourself! Findthe area of the following triangles: A = 105 cm2 A = 114 cm2
- 13. The mysterious BermudaTriangle or also known as the Devil's Triangle or Hurricane Alley, is a loosely defined region in the western part of the North Atlantic Ocean. It has a base of 30km and height of 20km. What is its area? “The Bermuda Triangle”
- 15. GROUP 1 ILLUSTRATING THETRIANGLES Using your rulers, you are going to draw a triangle based on the given measurement.
- 16. GROUP 2 FINDING THEAREA OF THE TRIANGLES You are going to find the area of the given triangles. You need to show your solutions.
- 17. GROUP 3 COMPLETING THETABLE You are going to fill in the missing table based on the given information.
- 20. *How were youable to find the area of the triangle? *What is the formula of finding the area of the triangle?
- 22. A. Find thearea of the following triangles. 1. 2. 3. 4. 5. 8cm 7 m 12 cm 10 m 3 cm 5 cm 8 m 11 cm 8 cm 7cm
- 23. B. Complete thetable below. Base Height Area 2 m2 11m 6m 4cm 16 cm2 2cm 10 cm2
- 24. Assignment: Instructions: Find thearea of the following and show your solutions. 1. A swimming pool in the shape of a triangle has a base of 10m and a height of 8m. Find the area of the pool? 2. What is the area of a triangle with base 11 m and height 23 m?