Answer :
Answer:
136.5 square centimetres
Step-by-step explanation:
Area of a right triangle = 1/2 tall x wide
The area = 1/2 x 21 cm x 13 cm = 136.5 cm^2
Answer:
136.5 square centimetres
Step-by-step explanation:
Area of a right triangle = 1/2 tall x wide
The area = 1/2 x 21 cm x 13 cm = 136.5 cm^2