IGCSE /Grade 8
Maths MCQ Based On Find area of triangles
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IGCSE Grade 8 Maths Find area of triangles
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We can use the formula for the area of a triangle given two sides and the included angle: A = (1/2)ab * sin©, where a and b are the lengths of the two sides and C is the measure of the included angle.
We can use the formula for the area of a triangle given two sides and the included angle: A = (1/2)ab * sin©, where a and b are the lengths of the two sides and C is the measure of the included angle.
First, change 4cm into m using 1m = 100cm then use the formula \\({1\\over2}\\times base\\times height\\)
Let’s say the height of the triangle is h. We can use the Pythagorean theorem to find the height: (16)² = (10)² + h².
since RS is the perpendicular bisector of side PQ, it is also the altitude of triangle PQR from vertex R to side PQ.
You can find the area of a triangle with base b and height h using this formula A = 1/2x bxh.
We know that the area of a triangle = \\( {1 \\over 2}\\times base \\times height\\), the base is 6m and the height is 2m, by putting these values in the formula we can calculate the area.
Since the sides of the triangle are in the ratio 5:5:6, we can say that the sides of the triangle are 5x, 5x, and 6x, where x is a common factor.
First, we need to change 6 m into cm. We know, 1m = 100cm. Now we can calculate the area using the formula \\({1\\over2}\\times base\\times height\\)
The board is of triangular shape. The area of the shape will be \\( \\ {1 \\over 2}\\times base \\times height\\)
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