Triangles - Ambitious

Question 1: Find

α

A

α = 140 °

B

α = 130 °

C

α = 110 °

D

α = 120 °

Question 2: Find

α

A

α = 36 °

B

α = 48 °

C

α = 44 °

D

α = 32 °

Question 3: Find

α

A

α = 110 °

B

α = 111 °

C

α = 89 °

D

α = 102 °

Question 4: Find

c

A

c = 5

B

c = 6

C

c = 4

D

c = 7

Question 5: Find

c

A

c ≅ 5 .69

B

c = 6

C

c ≅ 6 .07

D

c = 5

Question 6:

△ A B C

is isosceles. Find

α

, where

β = 75 °

A

α = 35 °

B

α = 40 °

C

α = 30 °

D

α = 60 °

Question 7: Find the height of an isosceles triangle with the base

5 c m

and sides

7 c m

A

h ≅ 6 .23cm

B

h ≅ 6 .54cm

C

h = 6cm

D

h ≅ 5 .78cm

Question 8: Find the area of an isosceles triangle with the base

8 c m

and sides

10 c m

A

A △ = 28.13 c m

B

A △ = 23 \frac{1}{3} c m

C

A △ = 8 \sqrt{21} c m

D

A △ = 12.73 c m

Question 9: Find

α

A

α = 60 °

B

α = 46 °

C

α = 52 °

D

α = 53 °

Question 10: Find the area of

△ C D E

, where

△ A B C

is equilateral with the sides

6 c m

A

A = \frac{3}{2} \sqrt{3} c m^{2}

B

A = 3 c m^{2}

C

A = 3 \frac{1}{4} c m^{2}

D

A = \frac{2}{3} \sqrt{5} c m^{2}

Test: Triangles - Ambitious

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