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Lesson Example Discussion Quiz: Class Homework

Quiz In Class

Title: Area of Triangle

Grade: 1400-a Lesson: S3-L2

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Problem Id	Problem	Options
1	What is the value of h in the figure and also find its area? $1$	A) h = 18, area = 8 B) h = 16, area = 64 C) h = 9, area = 8 D) h = 4, area = 64
2	Two identical triangles from a parallelogram with a base of 10 inches and height of 8 inches. What is the area of each triangle? $2$	A) 60 sq.in B) 40 sq.in C) 80 sq.in D) 70 sq.in
3	In triangle ABC, AB = 13 cm, BC = 14 cm, and AC = 15 cm. Let D be the midpoint of BC. A circle passing through A and D intersects the segment AC at points A and E. Find the area of triangle ADE.	A) 48 B) 84 C) 44 D) 88
4	In rectangle ABCD above, E is the midpoint of side AB. If the perimeter of the rectangle is 36 and side AB is twice the length of side AC, what is the area of the shaded region? $4$	A) 8 B) 9 C) 16 D) 18
5	Find the area of a regular triangle with radius equal to 4.	A) \$21sqrt3 \$ B) \$12sqrt2\$ C) \$12sqrt3\$ D) \$11sqrt3\$
6	In the triangle above, sin x = 0.8 and cos x = 0.6. What is the area of the triangle? $6$	A) 55 B) 45.56 C) 34.56 D) 65.65
7	In the figure shown, \$\bar(AC)\"perpendicular" \bar(BD)\$ and \$\bar(AB)\"perpendicular" \bar(DC)\$. What is the length of AB? $7$	A) 13.3 B) 13.5 C) 13.6 D) 12.3
8	Find the area of the given triangle. (sin60 = \$sqrt(3/2)\$, sin30 = \$1/2\$) $8$	A) 96.75 B) 97.65 C) 95.76 D) 95.67
9	The two triangles in the figure above, labeled A and B, each have the same area. The base of triangle B is percent longer than the base of triangle A, and the height of triangle B is r percent less than the height of triangle A. If p - r = 5, which of the following could be the value of p? $9$	A) 15 B) 25 C) 23 D) 18
10	The figure shown represents a camping tent that will be sprayed with a waterproofing agent. If it takes ounce of the agent to cover 2 square feet,how many ounces will it take to spray the entire outside of the tent, excluding the tent bottom? $10$	A) 78 B) 74 C) 148 D) 184

Problem Id

Problem

Options

What is the value of h in the figure and also find its area?

$1$

A) h = 18, area = 8

B) h = 16, area = 64

C) h = 9, area = 8

D) h = 4, area = 64

Two identical triangles from a parallelogram with a base of 10 inches and height of 8 inches. What is the area of each triangle?

$2$

A) 60 sq.in

B) 40 sq.in

C) 80 sq.in

D) 70 sq.in

In triangle ABC, AB = 13 cm, BC = 14 cm, and AC = 15 cm. Let D be the midpoint of BC. A circle passing through A and D intersects the segment AC at points A and E. Find the area of triangle ADE.

A) 48

B) 84

C) 44

D) 88

In rectangle ABCD above, E is the midpoint of side AB. If the perimeter of the rectangle is 36 and side AB is twice the length of side AC, what is the area of the shaded region?

$4$

A) 8

B) 9

C) 16

D) 18

Find the area of a regular triangle with radius equal to 4.

A) \$21sqrt3 \$

B) \$12sqrt2\$

C) \$12sqrt3\$

D) \$11sqrt3\$

In the triangle above, sin x = 0.8 and cos x = 0.6. What is the area of the triangle?

$6$

A) 55

B) 45.56

C) 34.56

D) 65.65

In the figure shown, \$\bar(AC)\"perpendicular" \bar(BD)\$ and \$\bar(AB)\"perpendicular" \bar(DC)\$. What is the length of AB?

$7$

A) 13.3

B) 13.5

C) 13.6

D) 12.3

Find the area of the given triangle. (sin60 = \$sqrt(3/2)\$, sin30 = \$1/2\$)

$8$

A) 96.75

B) 97.65

C) 95.76

D) 95.67

The two triangles in the figure above, labeled A and B, each have the same area. The base of triangle B is percent longer than the base of triangle A, and the height of triangle B is r percent less than the height of triangle A. If p - r = 5, which of the following could be the value of p?

$9$

A) 15

B) 25

C) 23

D) 18

The figure shown represents a camping tent that will be sprayed with a waterproofing agent. If it takes ounce of the agent to cover 2 square feet,how many ounces will it take to spray the entire outside of the tent, excluding the tent bottom?

$10$

A) 78

B) 74

C) 148

D) 184