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... circle from either end of it , is a tangent to the circle . ( Euclid , Book III . , Prop . 16. ) 5. If from a point without a circle a secant and a tangent be drawn to the circle , prove that the rectangle contained by the secant and ...
... circle from either end of it , is a tangent to the circle . ( Euclid , Book III . , Prop . 16. ) 5. If from a point without a circle a secant and a tangent be drawn to the circle , prove that the rectangle contained by the secant and ...
Σελίδα
... circle of three inches radius . Show that the focal length of the mirror is nine inches . 3. Explain any method of determining the velocity of sound in air . 4. Give the notes of the major diatonic scale , and explain how the minor ...
... circle of three inches radius . Show that the focal length of the mirror is nine inches . 3. Explain any method of determining the velocity of sound in air . 4. Give the notes of the major diatonic scale , and explain how the minor ...
Σελίδα
... circle . ( Book IV . , Prop . 16. ) 2. Triangles of the same altitude are to one another as their bases . ( Book VI . , Prop . 1. ) 3. To describe a rectilineal figure that shall be equal to one and similar to another rectilineal figure ...
... circle . ( Book IV . , Prop . 16. ) 2. Triangles of the same altitude are to one another as their bases . ( Book VI . , Prop . 1. ) 3. To describe a rectilineal figure that shall be equal to one and similar to another rectilineal figure ...
Σελίδα
... circle to the centre of that escribed circle which touches side a is COS a A 2 9. Two sides of a triangle are 9 feet and 7 feet respect- ively and the included angle 64 ° 12 ' ; find the other angles , having given log 2.3010300 , L tan ...
... circle to the centre of that escribed circle which touches side a is COS a A 2 9. Two sides of a triangle are 9 feet and 7 feet respect- ively and the included angle 64 ° 12 ' ; find the other angles , having given log 2.3010300 , L tan ...
Σελίδα
... circles . 6. In a triangle ABC , draw a straight line DE parallel to AB , meeting the sides AC and BC in D and E ... circle . 8. In a triangle prove that ( sin 4 + sin B + sin C ) ( tan A 2 B + tan . + tan 2 2 - ) = 4 ( 1 + sin 4 ...
... circles . 6. In a triangle ABC , draw a straight line DE parallel to AB , meeting the sides AC and BC in D and E ... circle . 8. In a triangle prove that ( sin 4 + sin B + sin C ) ( tan A 2 B + tan . + tan 2 2 - ) = 4 ( 1 + sin 4 ...