AA Similarity

Q.

A vertical stick 20 m long casts a shadow 10 m long on the ground. At the same time, a tower casts a shadow 50 m long on the ground. Find the height of the tower.

1. 200 m

2. 25 m

3. 100 m

4. 120 m

Q. 7 pillars are used to hold a slant rod as shown in the figure. If the distance between every two pillars is 1 m and first pillar is 1 m from the rod leg. Height of the last pillar is 10.5 m. Find the height of first pillar.

1. 1.5
2. 2.5
3. 3.5
4. 0.5

Q.

A vertical stick 20 m long casts a shadow 10 m long on the ground. At the same time, a tower casts a shadow 50 m long on the ground. Find the height of the tower.

1. 100 m

2. 25 m

3. 120 m

4. 200 m

Q. $\Delta$ ADE $\sim$ $\Delta$ ABC by AA Similarity criteria

1. False
2. True

Q.

If $△ABC\sim △PQR$ and $\angle B=\angle R={60}^{\circ }$, then find $\angle$ RPQ.

1. ${120}^{\circ }$

2. ${60}^{\circ }$

3. ${90}^{\circ }$

4. ${30}^{\circ }$

Q. Two similar triangles will always have _______ angles

1. right
2. obtuse
3. equal
4. acute