Triangles - Normal

Question 1: Find

α

A

α = 90^{\circ}

B

α = 80^{\circ}

C

α = 85^{\circ}

D

α = 95^{\circ}

Question 2: Find

α

A

α = 57^{\circ}

B

α = 66^{\circ}

C

α = 68^{\circ}

D

α = 33^{\circ}

Question 3: Find the area of a triangle:

A

48 c m^{2}

B

24 c m

C

72 c m^{2}

D

96 c m^{2}

Question 4: Which sets of numbers are side lengths of a triangle?

A

5, 8, 15

B

4, 7, 12

C

2, 2, 4

D

5, 6, 7

Question 5: Find the area of the triangle:

A

135 c m^{2}

B

120 c m^{2}

C

67.5 c m^{2}

D

90 c m^{2}

Test: Triangles - Normal