Area of a Triangle

Q. If the area of two shapes is same, they will always have the same perimeter.

1. True
2. False

Q. If the area of two figures is equal, then their perimeter will also be equal.

1. True
2. False

Q.

In a right angled triangle the three sides measure 12 cm, 16cm and 20cm.What is its area?

Q. Find the area of the region shaded in pink.

1. 10 square inches
2. 15 square inches
3. 20 square inches
4. 25 square inches

Q. Tiles have to be laid on the floor of a triangular swimming pool. Find the area on which tiles have to be laid.

1. 75 square feet
2. 90 square feet
3. 95 square feet
4. 100 square feet

Q. What will be the area of a rectangle with sides 17 cm and 13 cm?

1. 220 sq cm
2. 223 sq cm
3. 219 sq cm
4. 221 sq cm

Q. An envelope opens to form 1 rectangle and 4 triangles. Find the area of 4 such envelopes.

1. 100 square inches
2. 200 square inches
3. 300 square inches
4. 400 square inches

Q. If the areas of two shapes are equal, then their perimeters are equal too.

1. True
2. False

Q. If the area of the triangle is $10$ square unit and the base is $5$ square unit, the height will be .

1. $4$
2. $6$
3. $8$

Q. Find the area of the playground.

1. 200 square yards
2. 208 square yards
3. 216 square yards
4. 230 square yards

Q. We can use a square grid to estimate the area of irregular shapes.

1. True
2. False

Q. A slice of bread is cut into two equal triangles. Pizza sauce is spread on one of them and butter is spread on the other. Find the area of the triangle on which the pizza sauce is spread.

1. 12 square units
2. 14 square units
3. 16 square units
4. 18 square units

Q. What is the area of this triangle?

1. $42$ square cm
2. $24$ square cm
3. $42$ cm
4. (a) and (c) above.

Q. Find the area of the playground in which children are playing.

1. 20 square yards
2. 25 square yards
3. 30 square yards
4. 35 square yards

Q. A rectangular pizza is cut into 4 triangles as shown. Find the sum of the areas of the 4 triangles.

1. 200 square units
2. 250 square units
3. 275 square units
4. 300 square units

Q. The ratio of the number of general stores and that of the ground is

1. $1:2$
2. $2:3$
3. $3:2$
4. $2:1$

Q. Find the total cost of grass to be laid in a triangular park if the cost of laying 1 square feet of grass is $5.

1. $1000
2. $1200
3. $1500
4. $2000

Q. A rectangle is formed by keeping two identical triangles together. If the base and height of the triangle are 25 cm and 10 cm respectively, what is the area of the rectangle (in sq. cm)?

1. 
   100
2. 
   250
3. 
   300
4. 
   450

Q. For these two triangles having the same base (b) and height (h), the area will be same.

1. True
2. False

Q. The perimeter of the incircle is $30$ m and its radius $10$ m. What is the area of the triangle?

1. $120$ sq. m
2. $150$ sq. m
3. $140$ sq. m
4. $130$ sq. m

Q. Which triangle out of the following blue and pink one has the greater area?

1. blue
2. pink
3. both the triangles have eqaul areas

Q. The area of the following triangle will be

1. $20$ square unit
2. $40$ square unit
3. $15$ square unit

Q. Match the figure with its correct perimeter or area.

1. 
2. Area = 18 sq. cm
3. 
4. Perimeter= 18 cm
5. 
6. Perimeter= 16 cm
7. 
8. Area = 12 sq. cm

Q. If all the squares have a length of $1$ cm, determine the area of the triangle.

1. 9

Q. What is the area of the given right triangle?

1. $\frac{1}{2}\times h\times b$
2. $\frac{1}{h}\times 2\times b$