Area of an Obtuse Triangle

Q. Find the base of an obtuse angle triangle of area 24.5 ${\text{m}}^2,$ if the height of a triangle is 7 m.

1. 14 m
2. 21 m
3. 7 m
4. 10 m

Q. Find the area of an obtuse angle triangle ABC as shown in the figure.

1. $28{\text{unit}}^2$
2. $28\text{unit}$
3. $35{\text{unit}}^2$
4. $56{\text{unit}}^2$

Q. Is it possible to fill a triangular box with unit squares?

1. Yes
2. No

Q. John has cut a piece of paper into an obtuse triangle. The area of an obtuse angle triangle is $48{\text{ft}}^2$ and the base of a triangle is 12 ft. The height of the triangular piece of paper is__

1. 2 ft
2. 6 ft
3. 10 ft
4. 8 ft