MCQOPTIONS
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MCQOPTIONS
| 1. |
ΔABC is an isosceles triangle and $$\overline {AB} $$= $$\overline {AC} $$= 2a unit, $$\overline {BC} $$= a unit. Draw $$\overline {AD} $$ ⊥ $$\overline {BC} $$ , and find the length of $$\overline {AD} $$ |
| A. | $\sqrt {15} $$ a unit |
| B. | $\frac{{\sqrt {15} }}{2}$$ a unit |
| C. | $\sqrt {17} $$ a unit |
| D. | $\frac{{\sqrt {17} }}{2}$$ a unit |
| Answer» C. $\sqrt {17} $$ a unit | |