FINLANDIA SCHOOLArea of a right angle triangle
The area of the triangle is half of the area of the rectangle
Area of right angle triangle= ½(LxB)cm² or m²
Example 1
Find the area of right angle triangle of the above diagram
L= 4cm
B= 3cm
Area of right angle triangle= ½(L+B)cm
= ½ (4x3) cm²
= ½(12)cm²
= 6cm²
Activities
MacMillan Champion Mathematics Bk 5