Area of a Right Triangle

Q. The floor of Sara’s bathroom is covered with tiles in the shape of triangles. Each triangle has a height of $5$ inches and a base of 12 inches If the floor of her bathroom has $50$ tiles, what is the area of the bathroom floor?

1. $42{\text{in}}^2$
2. $84{\text{in}}^2$
3. $1,500{\text{in}}^2$
4. $3,360{\text{in}}^2$

Q.

Find the area of the triangle whose perimeter is $22cm$. One side measures $9cm$ and the difference of other two sides is $3cm$.

Q.

An umbrella is made by stitching $12$ triangular pieces of cloth. Each piece measures $50cm,20cm$ and $50cm$, Find the area of the cloth used in it.

Q. Determine the area of right angle traingle of a given image.

1. $1{\text{unit}}^2$
2. $1\text{unit}$
3. $\frac{1}{2}{\text{unit}}^2$
4. $5{\text{unit}}^2$

Q. If the base and height of the right-angle triangle ABC are both reduced by two units. Determine the area of the newly formed triangle.

1. $3{\text{unit}}^2$
2. $4{\text{unit}}^2$
3. $5{\text{unit}}^2$
4. $6{\text{unit}}^2$

Q. Find the area of the traingle ABC.

1. $30{\text{unit}}^2$
   
2. $60{\text{unit}}^2$
   
3. $45{\text{unit}}^2$
   
4. $90{\text{unit}}^2$
   

Q. Find the height of a right angled traingle having an area of $49{\text{unit}}^2,$if the base of this traingle is 14 unit.

1. 24 unit.
2. 28 unit
3. 7 unit
4. 14 unit