| 1 |
|
∠ A + 180<sup>o</sup>
180<sup>o </sup>-<sup> </sup>∠ A
1/2 ∠BAC
∠A + 90<sup>o</sup>
|
| 2 |
|
x = ∞ + β + γ
x + β = ∞ + γ
x + γ = β + ∞
x + ∞ = β + γ
|
| 3 |
|
180<sup>o</sup>
90<sup>o</sup>
360<sup>o</sup>
270<sup>o</sup>
|
| 4 |
|
25/81
25/16
16/25
16/81
|
| 5 |
|
bc/b<sup>2</sup> + c<sup>2</sup>
b<sup>2</sup> + c<sup>3</sup>/bc
√b<sup>2</sup> + c<sup>2</sup>/bc
bc/√b<sup>2</sup> + c<sup>2</sup>
|
| 6 |
|
3AB<sup>2</sup> = 2AD<sup>2</sup>
2AB<sup>2</sup> = 3AD<sup>2</sup>
3AB<sup>2</sup> = 4AD<sup>2</sup>
4AB<sup>2</sup> = 3AD<sup>2</sup>
|
| 7 |
In ΔABC, D and E are the mid-points of AB and AC, respectively. Find the ratio of the areas of Δ ADE and Δ ABC. |
1/2
1/4
3/4
1/8
|
| 8 |
|
6.9 cm
9.6 cm
3.9 cm
9.3 cm
|
| 9 |
|
180 cm2
240 cm2
120 cm2
150 cm2
|
| 10 |
If the bisector of an angle of Δ bisects the opposite side, then the Δ is |
Scalene
Isosceles
Right triangle
None of these
|
| 11 |
|
2.25 cm
4.5 cm
1.25 cm
2.5 cm
|
| 12 |
|
270<sup>o</sup>
300<sup>o</sup>
360<sup>o</sup>
330<sup>o</sup>
|
| 13 |
|
60<sup>o</sup>
65<sup>o</sup>
75<sup>o</sup>
70<sup>o</sup>
|
| 14 |
|
135<sup>o</sup>
125<sup>o</sup>
115<sup>o</sup>
110<sup>o</sup>
|
| 15 |
A, B, C are the three angles of a Δ . If A - B = 15o and B - C = 30o, then ∠ A is equal to |
65<sup>o</sup>
80<sup>o</sup>
75<sup>o</sup>
85<sup>o</sup>
|
| 16 |
In a Δ ABC, if 2 ∠ A = 3 ∠ B = 6 ∠ C, then ∠ A is equal to |
60<sup>o</sup>
30<sup>o</sup>
90<sup>o</sup>
120<sup>o</sup>
|
| 17 |
|
BC < CA < CD
BC > CA > CA
BC < CA, CA > CD
BC > CA, CA < CD
|
| 18 |
|
120<sup>o</sup>
52<sup>o</sup>
78<sup>o</sup>
130<sup>o</sup>
|
| 19 |
The lengths of the sides of triangle are 3, 5, and x. How many possible values of x are there, if x must be an integer ? |
1
5
7
8
|
| 20 |
|
14.00
14.09
14.21
15.62
|
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